Test Bank For Computer Science An Overview 11th Edition By J. Glenn Brookshear

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Test Bank For Computer Science An Overview 11th Edition By J. Glenn Brookshear

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WITH ANSWERS
Computer Science An Overview 11th Edition By J. Glenn Brookshear  Test Bank

 

Test BankChapter Two (Data Manipulation)

The following table is from Appendix C of the text. It is included here so that it can be incorporated in tests for student reference. Questions in this test bank refer to this table as the language description table.

Op-

code  Operand                                   Description

1       RXY       LOAD the register R with the bit pattern found in the memory cell whose address is XY.                                                    Example: 14A3 would cause the contents of the memory cell located at address A3 to be placed

in register 4.

2       RXY       LOAD the register R with the bit pattern XY.

Example: 20A3 would cause the value A3 to be placed in register 0.

3       RXY       STORE the bit pattern found in register R in the memory cell whose address is XY.

Example: 35B1 would cause the contents of register 5 to be placed in the memory cell whose

address is B1.

4        0RS         MOVE the bit pattern found in register R to register S.

Example: 40A4 would cause the contents of register A to be copied into register 4.

5        RST         ADD the bit patterns in registers S and T as though they were twos complement representations

and leave the result in register R.

Example: 5726 would cause the binary values in registers 2 and 6 to be added and the sum placed

in register 7.

6        RST         ADD the bit patterns in registers S and T as though they represented values in floating-point

notation and leave the floating-point result in register R.

Example: 634E would cause the values in registers 4 and E to be added as floating-point values

and the result to be placed in register 3.

7        RST         OR the bit patterns in registers S and T and place the result in register R.

Example: 7CB4 would cause the result of ORing the contents of registers B and 4 to be placed in

register C.

8        RST         AND the bit patterns in register S and T and place the result in register R.

Example: 8045 would cause the result of ANDing the contents of registers 4 and 5 to be placed in

register 0.

9        RST         EXCLUSIVE OR the bit patterns in registers S and T and place the result in register R.

Example: 95F3 would cause the result of EXCLUSIVE ORing the contents of registers F and 3 to

be placed in register 5.

A       R0X        ROTATE the bit pattern in register R one bit to the right X times. Each time place the bit that

started at the low-order end at the high-order end.

Example: A403 would cause the contents of register 4 to be rotated 3 bits to the right in a circular

fashion.

B       RXY       JUMP to the instruction located in the memory cell at address XY if the bit pattern in register R

is equal to the bit pattern in register number 0. Otherwise, continue with the normal sequence of

execution. (The jump is implemented by copying XY into the program counter during the execute

phase.)

Example: B43C would first compare the contents of register 4 with the contents of register 0. If

the two were equal, the pattern 3C would be placed in the program counter so that the next

instruction executed would be the one located at that memory address. Otherwise, nothing would

be done and program execution would continue in its normal sequence.

C       000          HALT execution.

Example: C000 would cause program execution to stop.

 

 

Multiple Choice Questions

 

  1. Which of the following is not contained in a CPU?

 

  1. Instruction register B. Program counter
  2. General-purpose register D. Memory cell

 

ANSWER: D

 

  1. Which of the following instructions (as described in the language description table) changes the contents of a memory cell?

 

  1. 10AB               B.  20AB               C.  30AB               D.  40AB

 

ANSWER: C

 

  1. Which of the following instructions (as described in the language description table) places 00000000 in register A?

 

  1. 1A00                B.  2A00                C.  3A00                D.  200A

 

ANSWER: B

 

  1. Which of the following instructions (as described in the language description table) places 00000000 in register 5?

 

  1. 25FF                 B.  9555                 C.  15FF                 D.  8555

 

ANSWER: B

 

  1. Which of the following instructions (as described in the language description table) will not change the contents of register 5?

 

  1. 1508                 B.  2508                 C.  A503                D.  A508

 

ANSWER: D

 

  1. Which of the following instructions (as described in the language description table) is equivalent to requesting that register A be rotated to the left by three bits?

 

  1. AA05               B.  AA03               C.  AA08               D.  AA01

 

ANSWER: A

 

  1. Which of the following instructions (as described in the language description table) changes the contents of register 7?

 

  1. 4077                 B.  4075                 C.  4057                 D.  37BB

 

ANSWER: C

 

  1. Which of the following is not a form of parallel processing?

 

  1. SISD B.  MIMD             C.  SIMD

 

ANSWER: A

 

  1. In which of the following locations is information most readily available for manipulation by the CPU?

 

  1. Cache memory                 B.  Main memory
  2. Mass storage D. General-purpose registers

 

ANSWER: D

 

  1. The bus in a computer is an example of which form of communication?

 

  1. Serial B. Parallel              C. Neither A nor B

 

ANSWER: B

 

  1. Which of the following instructions does not fall in the category of arithmetic/logic instructions?

 

  1. ROTATE         B.  ADD                 C.  OR                    D.  JUMP

 

ANSWER: D

 

  1. Which of the following instructions falls in the category of data transfer instructions?

 

  1. LOAD              B.  AND                 C.  ROTATE         D.  JUMP

 

ANSWER: A

 

  1. Which of the following is not a component of a machine instruction?

 

  1. Op-code           B.  Port                   C.  Operand

 

ANSWER: B

 

  1. Which of the following is not an activity performed entirely within a CPU?

 

  1. Fetch instructions                          B.  Perform Boolean operations
  2. Perform arithmetic operations    D.  Move data between registers

 

ANSWER: A

 

  1. What mask in register F would cause the instruction 8AAF (refer to the language description table) to put a 0 in the most significant bit of register A without disturbing the other bits?

 

  1. 11111110       B.  00000001       C.  10000000       D.  011111111

 

ANSWER: D

 

  1. What mask in register F would cause the instruction 7AAF (refer to the language description table) to put a 1 in the most significant bit of register A without disturbing the other bits?

 

  1. 11111110       B.  00000001       C.  10000000       D.  011111111

 

ANSWER: C

 

  1. Which of the following instructions will not produce the same result as the other two? (Refer to the language description table.)

 

  1. A502                B.  A506                C.  A50A

 

ANSWER: B

 

  1. Which of the following instructions will not produce the same result as the other two? (Refer to the language description table.)

 

  1. 9555                 B.  2500                 C.  1500

 

ANSWER: C

 

  1. If register A contained the pattern 00000000, which of the following instructions could alter the contents of register 0? (Refer to the language description table.)

 

  1. 700A B.  800A                C.  900A

 

ANSWER: B

 

  1. Which of the following instructions (as described in the language description table) is essentially an unconditional jump?

 

  1. B033                B.  B133                                C.  B233                                D.  B333

 

ANSWER: A

 

  1. Which step of the machine cycle examines the op-code of the next instruction to be executed?

 

  1. Load                                B.  Fetch                C.  Decode            D.  Execute

 

ANSWER: C

 

  1. An ARM based processor is an example of what kind of computer architecture?

 

  1. DSL                  B.  CISC                C.  RISC                D.  Pentium

 

ANSWER: C

 

Fill-in-the-blank/Short-answer Questions

 

  1. If register 0 contains the pattern 01101001 before executing the instruction A003 (see the language description table), what bit pattern will be in register 0 after the instruction is executed?

 

____________

 

ANSWER: 00101101

 

  1. If registers 5 and 6 contain the bit patterns 5A and 58 respectively, what bit pattern will be in register 4 after executing the instruction 5456? (See language description table.)

 

____________

 

ANSWER: B2

 

  1. If registers 5 and 6 contain the bit patterns 5A and 58 respectively, what bit pattern will be in register 4 after executing the instruction 6456? (See language description table and assume a floating-point format in which the most significant bit is the sign bit, the next three bits represent the exponent field in excess notation, and the last four bits represent the mantissa.)

 

____________

 

ANSWER: 69

 

  1. Write the answer to each of the following logic problems.

 

10101010               10101010           10101010

AND 11110000            OR 11110000       XOR 11110000

 

ANSWER: 10100000, 11111010, and 01011010

 

  1. Suppose registers E and F contained AA and CC, respectively. What bit pattern would be in register D after executing each of the following instructions (see language description table)?

 

  1. 7DEF                __________

 

  1. 8DEF __________

 

  1. 9DEF __________

 

ANSWER: A. EE    B. 88    C. 66

 

  1. If registers 0, 1, and 2 contain the patterns A5, A5, and B7, respectively, which of the following instructions will result in a jump to location AA? (Refer to the language description table.)

 

  1. B0AA               B.  B1AA               C.  B2AA

 

____________

 

ANSWER: A and B

 

  1. If registers 0 and 1 contain the patterns B5 and F0, respectively, what will be in register 1 after executing each of the following instructions? (Refer to the language description table.)

 

  1. A102                __________

 

  1. 4001 __________

 

  1. 4010 __________

 

ANSWER: A. 3C    B. B5    C. F0

 

  1. Suppose the instruction B1A5 (as described in the language description table) is stored in main memory at addresses E0 and E1. Moreover, suppose registers 0 and 1 both contain the pattern FF. What value will be in the CPUs program counter immediately after executing the instruction?

 

____________

 

ANSWER: A5

 

  1. Suppose the instruction B1A5 (as described in the language description table) is stored in main memory at addresses E0 and E1. Moreover, suppose registers 0 and 1 contain the patterns FF and 75, respectively. What value will be in the CPUs program counter immediately after executing the instruction?

 

____________

 

ANSWER: E2

 

  1. Encode each of the following commands in terms of the machine language described in the language description table.

 

  1. __________ LOAD register 7 with the value A5.

 

  1. __________ LOAD register 7 with the contents of the memory cell at address A5.

 

  1. __________ ADD the contents of registers 5 and 6 as thought they were values in twos

complement notation and leave the result in register 4.

 

  1. __________ OR the contents of registers 5 and 6, leaving the result in register 4.

 

ANSWER: A. 27A5     B. 17A5     C. 5456 (or 5465)     D. 7456 (or 7465)

 

  1. Encode each of the following commands in terms of the machine language described in the language description table.

 

  1. __________ ROTATE the contents of  register 7 to the right 5 bit positions.

 

  1. __________ JUMP to the instruction at address B2 if the content of register 2 equals that of

register 0.

 

  1. __________ ADD the contents of registers 5 and 6 as thought they were values in floating-

point notation and leave the result in register 4.

 

  1. __________ AND the contents of registers 5 and 6, leaving the result in register 4.

 

ANSWER: A. A705     B. B2B2     C. 6456 (or 6465)     D. 8456 (or 8465)

 

  1. Decode each of the following instructions that were encoded using the language description table.

 

  1. 4034                 ___________________________________________________________

 

  1. 8023                 ___________________________________________________________

 

  1. B288                                ___________________________________________________________

 

  1. 2345                 ___________________________________________________________

 

ANSWER: A. MOVE the contents of register 3 to register 4.

  1. AND the contents of registers 2 and 3, leaving the result in register 0.
  2. JUMP to the instruction at address 88 if the contents of register 2 equals that of register 0.
  3. LOAD register 3 with the pattern 45.

 

  1. Decode each of the following instructions that were encoded using the language description table.

 

  1. A004                ___________________________________________________________

 

  1. 1234                 ___________________________________________________________

 

  1. 5678                 ___________________________________________________________

 

  1. C000                ___________________________________________________________

 

ANSWER: A. ROTATE the contents of register 0 to the right by four bit positions.

  1. LOAD register 2 with the bit pattern from the memory cell at address 34.
  2. ADD the contents of registers 7 and 8 as though they represented values encoded in twos

complement notation and leave the result in register 6.

  1. HALT.

 

  1. The following table shows a portion of a machines memory containing a program written in the language described in the language description table. Answer the questions below assuming that the machine is started with its program counter containing 00.

 

address   content

00     21

01     0B

02     14

03     04

04     C0

05     00

 

  1. What bit pattern will be in register 4 when the machine halts?

 

___________

 

 

  1. What bit pattern will be in register 1 when the machine halts?

 

___________

 

ANSWER: A. C0    B. 0B

 

  1. The following table shows a portion of a machines memory containing a program written in the language described in the language description table. Answer the questions below assuming that the machine is started with its program counter containing 00.

 

address   content                                  address   content

00    10                07    00

01    02                08    C0

02    24                09    00

03    04                0A    C0

04    B4                0B    00

05    0A                0C    C0

06    C0                0D    00

 

  1. What bit pattern will be in register 0 when the machine halts?

 

___________

 

  1. What bit pattern will be in register 4 when the machine halts?

 

___________

 

  1. What bit pattern will be in the program counter when the machine halts?

 

___________

 

ANSWER: A. 24     B. 04     C. 08

 

  1. The following table shows a portion of a machines memory containing a program written in the language described in the language description table. Answer the questions below assuming that the machine is started with its program counter containing 00.

 

address   content                                  address   content

00    25                07    00

01    03                08    C0

02    20                09    00

03    F9                0A    C0

04    53                0B    00

05    05                0C    C0

06    33                0D    00

 

  1. What bit pattern will be in register 5 when the machine halts?

 

____________

 

  1. What bit pattern will be in register 0 when the machine halts?

 

____________

 

  1. What bit pattern will be in register 3 when the machine halts?

 

____________

 

  1. What bit pattern will be at memory location 00 when the machine halts?

 

____________

 

ANSWER: A. 03     B. F9     C. FC     D. FC

 

  1. The following table shows a portion of a machines memory containing a program written in the language described in the language description table. Answer the questions below assuming that the machine is started with its program counter containing 00.

 

address   content                                  address   content

00    25                07    00

01    03                08    34

02    A5                09    04

03    02                0A    B0

04    35                0B    03

05    03                0C    C0

06    24                0D    00

 

  1. What bit pattern will be in register 5 when the machine halts?

 

____________

 

  1. What bit pattern will be in the program counter when the machine halts?

 

____________

 

  1. What bit pattern will be at memory location 04 when the machine halts?

 

____________

 

ANSWER: A. C0     B. 05     C. 00

 

  1. Below is a short routine written in the machine language described in the language description table and stored in a machines memory beginning at address 50. What must be in the memory cell at address 40 to avoid an unending loop?

 

Address    Instruction

50               2001

52               1340

54               8330

56               B352

58               

 

________________________________________

 

ANSWER: Any bit pattern whose least significant bit is 0

 

  1. The following table shows a portion of a machines memory containing a program written in the language described in the language description table. Answer the questions below assuming that the machine is started with its program counter containing 00.

 

address   content                                  address   content

00    B0                07    C0

01    03                08    00

02    25                09    23

03    B0                0A    B0

04    0C                0B    03

05    C0                0C    B0

06    00                0D    07

 

  1. How many instructions will be executed before the machine halts?

 

____________

 

  1. What bit pattern will be in the program counter when the machine halts?

 

____________

 

ANSWER: A. 4     B. 09

 

  1. The following table shows a portion of a machines memory containing a program written in the language described in the language description table. Answer the questions below assuming that the machine is started with its program counter containing 00.

 

address   content                                  address   content

00    20                07    12

01    02                08    B2

02    21                09    0C

03    01                0A    B0

04    22                0B    06

05    01                0C    C0

06    52                0D    00

 

  1. What bit pattern will be in register 2 when the machine halts?

 

___________

 

  1. How many times will the instruction at address 06 be executed before the machine halts?

 

___________

 

ANSWER: A. 02     B. 2

 

  1. What is used to differentiate memory used for instructions and memory used for data?

 

ANSWER: Nothing. Instructions and data can located anywhere in main memory.  The machine alone has no way of knowing what portions are used for data and what portions are instructions.

 

Vocabulary (Matching) Questions

 

The following is a list of terms from the chapter along with descriptive phrases that can be used to produce questions (depending on the topics covered in your course) in which the students are ask to match phrases and terms. An example would be a question of the form, In the blank next to each phrase, write the term from the following list that is best described by the phrase.

 

Term                                       Descriptive Phrase

op-code                                                 The part of a machine instruction that identifies the basic operation to

be performed

machine language                               A means of encoding instructions

machine cycle                                      The process of fetching and executing instructions that is repeated

over and over by the CPU

register                                                   A location within a CPU for temporary data storage

masking                                                 A means of isolating particular bits within a bit pattern

bus                                                          The communication path between a CPU and main memory

memory-mapped I/O                         The technique of communicating with peripheral devices as though

they were memory cells

pipeling                                                  A means of processing more than one instruction at a time

instruction register                               Register whose contents is modified upon performing the fetch step of the machine cycle

stored-program concept                     A technique of recording programs in main memory from where they

can be accessed and executed

program counter                                  Used by the CPU to keep its place in the program being executed

main memory from where they can be retrieved and executed

controller                                               The interface between a computer and a peripheral device

modem                                                  Modulator-demodulator

port                                                         The connection through which a CPU communicates with a

peripheral device

USB                                                        A communication system by which a variety of peripheral devices can

be connected to a computer

clock                                                      Used to synchronize the operations within a computer

status word                                           A means by which a peripheral device reports its condition

bps                                                          A means of measuring the rate of data transfer

CISC                                                      A computer whose machine language  contains many complex

Instructions

cache                                                     High-speed memory located within the CPU which is used to retain a copy of portions of main memory that is of current interest

handshaking                                         Refers to the two-way communication that takes place between a

computer an a peripheral device

bandwidth                                             Refers to a communication paths maximum capacity for transferring

data

DMA                                                      The ability of a peripheral device to communicate directly with a

computers main memory

 

General Format Questions

 

  1. Describe the machine cycle.

 

ANSWER:  Fetch an instruction and increment the program counter, decode the instruction, and execute the instruction.

 

  1. Explain the concept of throughput and techniques by which throughput is increased.

 

ANSWER: Throughput measures the amount of work performed by a computer rather than the speed with which the computer executes instructions. Throughput is increased by introducing parallel processing techniques such as pipeling or parallel processing via multiprocessor designs.

 

  1. What is the difference between a conditional jump instruction and an unconditional jump instruction?

 

ANSWER: A conditional jump instruction will result in a jump to another location only under certain conditions whereas an unconditional jump instruction will result in a jump to another location under all conditions.

 

  1. The following is a routine encoded in the machine language described in the language description table. Explain (in a single sentence) what the routine does. (Explain what the entire routine does as a unit rather than reciting what each instruction does.)

 

12A0

32B0

12A1

32B1

12A2

32B2

 

ANSWER: It copies the contents of memory cells A0 through A2 to memory cells B0 through B2.

 

  1. The following is a routine encoded in the machine language described in the language description table. Explain (in a single sentence) what the routine does. (Explain what the entire routine does as a unit rather than reciting what each instruction does.)

 

210F

12A0

8212

32A0

 

ANSWER: It places 0s in the four most significant bits of memory cell A0 without disturbing the other four bits.

 

  1. The following table shows a portion of a machines memory containing a program written in the language described in the language description table. What will happen if the machine is started with its program counter containing 00?

 

address   content

00     21

01     B0

02     31

03     04

04     C0

05     00

 

ANSWER: The machine will change the last instruction to a jump instruction and continue to repeat the same routine over and over.

 

  1. Using the machine language described in the language description table, write a sequence of instructions that will place the pattern FF in the memory cell at address A0.

 

ANSWER: 2XFF, 3XA0 (where X can be any register but must be the same in both instructions)

 

  1. Using the machine language described in the language description table, write a sequence of instructions that will place a 1 in the most significant bit of the memory cell at address A0 without disturbing the other bits.

 

ANSWER: 2X80, 1YA0, 7YXY, 3YA0 (where X and Y can be any distinct registers)

 

  1. Using the machine language described in the language description table, write a sequence of instructions that will add five to the value (represented in twos complement notation) stored at memory address A0.

 

ANSWER: 2X05, 1YA0, 5YXY, 3YA0 (where X and Y can be any distinct registers)

 

  1. Using the machine language described in the language description table, write a sequence of instructions that will subtract one from the value (represented in twos complement notation) stored at memory address A0.

 

ANSWER: 2XFF, 1YA0, 5YXY, 3YA0 (where X and Y can be any distinct registers)

 

  1. Using the machine language described in the language description table, write a sequence of instructions that will shift the contents of the memory cell at address A0 three bit positions to the right while filling the holes at the left end with 0s.

 

ANSWER: 1XA0, AX03, 2Y1F, 8XXY, 3XA0 (where X and Y can be any distinct registers)

 

 

Test BankChapter Four (Networks and the Internet)

 

Multiple Choice Questions

 

  1. Which of the following is not a way of classifying networks?

 

  1. WAN versus LAN B. Closed versus open
  2. Router versus bridge D. Star versus bus

 

ANSWER: C

 

  1. Ethernet is a means of implementing which of the following network topologies?

 

  1. Star B. WiFi                   C. Bus

 

ANSWER: C

 

  1. Which of the following connects existing networks to form an internet?

 

  1. Bridge B. Router               C. Switch               D. Repeater

 

ANSWER: B

 

  1. Which of the following is a protocol for controlling the right to transmit a message in a network?

 

  1. UDP B. CSMA/CD       C. TCP                   D. FTP

 

ANSWER: B

 

  1. Which of the following is not a means of performing interprocess communication over a network?

 

  1. Client/server B. ICANN             C. Peer-to-peer

 

ANSWER: B

 

  1. Which of the following is assigned the task of providing individual users access to the Internet?

 

  1. Tier-1 ISPs B. Tier-2 ISPs       C. Access ISPs      D. ICANN

 

ANSWER: C

 

  1. Which of the following is not an application of the Internet?

 

  1. FTP B. Email                                C. Telnet                                D. CERT

 

ANSWER: D

 

  1. The primary purpose of which of the following is not the enhancement of security?

 

  1. ICANN B. Firewall             C. Encryption       D. CERT

 

ANSWER: A

 

  1. Which of the following is used to translate between IP addresses and mnemonic addresses?

 

  1. File server B. Mail server       C. Name server    D. FTP server

 

ANSWER: C

 

  1. Which of the following is not a means of connecting networks?

 

  1. Switch B. Server                C. Router               D. Bridge

 

ANSWER: B

 

  1. Which layer of the TCP/IP hierarchy actually transmits a message?

 

  1. Application B. Transport         C. Network            D. Link

 

ANSWER: D

 

  1. Which layer of the TCP/IP hierarchy chops messages into units whose size is compatible with the Internet?

 

  1. Application B. Transport         C. Network            D. Link

 

ANSWER: B

 

  1. Which layer of the TCP/IP hierarchy decides the direction in which message segments are transferred across the Internet?

 

  1. Application B. Transport         C. Network            D. Link

 

ANSWER: C

 

  1. Which layer of the TCP/IP hierarchy decides which application should receive an incoming message?

 

  1. Application B. Transport         C. Network            D. Link

 

ANSWER: A

 

  1. Which layer of the TCP/IP hierarchy presents incoming messages to the computer user?

 

  1. Application B. Transport         C. Network            D. Link

 

ANSWER: A

 

  1. Which layer of the TCP/IP hierarchy reassembles messages as their pieces arrive at the destination?

 

  1. Application B. Transport         C. Network            D. Link

 

ANSWER: B

 

  1. Which layer of the TCP/IP hierarchy is responsible for obtaining the correct address for a messages destination?

 

  1. Application B. Transport         C. Network            D. Link

 

ANSWER: A

 

  1. Which of the following identifies the application to which a message arriving from the Internet should be given?

 

  1. Protocol B. Port number     C. Domain            D. Hop count

 

ANSWER: B

 

  1. Which standards organization produced the OSI reference model for internet communication?

 

  1. ANSI B. IEEE                 C. ISO

 

ANSWER: C

 

  1. Which of the following is an Internet application that is named after its underlying protocol?

 

  1. Email B. World Wide Web            C. FTP                    D. UDP

 

ANSWER: C

 

  1. Which of the following is not a means of implementing server-side activities?

 

  1. CGI B. JSP                     C. ASP                   D. Applets

 

ANSWER: D

 

  1. Which of the following is not a protocol used in the basic TCP/IP software hierarchy?

 

  1. POP3 B. UDP                   C. TCP                   D. IP

 

ANSWER: A

 

  1. Which generation of wireless network technology uses the packet-switched IP network?

 

  1. 3G B. 4G                      C. 5G                      D. All of the above

 

ANSWER: B

 

Fill-in-the-blank/Short-answer Questions

 

  1. List two network topologies.

 

  1. _____________

 

  1. _____________

 

 

ANSWER: star and bus

 

  1. What are two protocols for implementing the transport level in the TCP/IP hierarchy?

 

  1. _____________ B. ______________

 

ANSWER: TCP and UDP

 

  1. Draw a circle the portion of the URL below that identifies the directory containing the file being addressed. Underline the portion that identifies the protocol that should be used when accessing the file. Draw a rectangle around the portion that identifies the file name itself.

 

http://batcave.metropolis.com/heroes/superheroes/batpage.html

 

ANSWER: Circle: superheroes, underline: http, rectangle: batpage.html (or just batpage)

 

  1. Underline the portion of the URL below that identifies the classification (top-level domain) of the registered domain in which the pertinent Web server resides. Draw a rectangle around the portion that indicates the directory path the server should follow to find the designated document.

 

http://batcave.metropolis.com/heroes/superheroes/batpage.html

 

ANSWER: Underline: com, rectangle: heroes/superheroes

 

  1. Draw a rectangle around the portion of the email address below that identifies the person who should receive the message. Underline the portion that identifies the location of the mail server that handles the mail for that person.

 

Fido@dogmail.zoo.org

 

ANSWER: Rectangle: Fido, underline: dogmail.zoo.org

 

  1. What bit pattern is represented by 33.42.18 in dotted decimal notation?

 

__________________________________________________

 

ANSWER:  00100001 00101010 00010010 (212A12 in hexadecimal)

 

  1. Express the bit pattern 0001001000001100 in dotted decimal notation.

 

________________

 

ANSWER: 18.12

 

  1. The main purpose of _______ and ________ ISPs is to provide a system of high-speed routers that serve as the Internets communication backbone, whereas _________ ISPs concentrate on providing Internet access to the Internets users.

 

ANSWER: Tier-1, tier-2, access

 

  1. Name three kinds of servers.

 

  1. ___________________________

 

  1. ___________________________

 

  1. ___________________________

 

ANSWER: Possible answers include: name server, file server, mail server, Web server, etc.

 

  1. List four top-level domains.

 

  1. _____________ B. _______________

 

  1. _____________ D. _______________

 

ANSWER: Possible answers include com, org, edu, gov, net, uk, ca, etc.

 

  1. What terms in the following HTML document are linked to other documents?

 

This is the title

Favorite Animals

Of all the animals in the world, the

pig is

perhaps the most charming.

However, the

hippopotamus is also cute.

 

ANSWER: pig, hippopotamus

 

  1. Fill in the blanks in the HTML document below so that the term Earth will be linked to the HTML document earthinfo.html in the directory earthdir at earthnews.com.

 

Earth page

The planet we live on is called

 

_________________________________________ Earth ____________

 

 

ANSWER: ,

 

  1. Fill in the blanks with the missing tags to the following HTML document.

 

______ Title

_______

Click on

this. _______

______

 

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