大工15春《专业英语(计算机英语)》在线测试答案

大工15春《专业英语(计算机英语)》在线测试14 }( Y% x9 m+ S" z/ W0 z( Y

9 O3 [) a0 F- j2 j' G1 f+ g1 h/ u一、单选题：* F* V& q. Q- L4 u9 f
1.(    ) stands for Read Only Memory, it is the computer memory on which data has been prerecorded.          (满分:4)# J* H/ E. f0 K. ^' p6 p* J- L
    A. RAM! M, l' S3 d: f( K: K& X$ w$ E3 G
    B. ROM# u5 ~/ I: x* S7 ~
    C. CPU- v2 O3 A0 V9 Y3 h4 Z6 Z' Z1 @8 Z
    D. Memory2 C8 k! g/ b0 V7 F3 H# V( n* q9 R( f  h
2.(    ) are the peripherals that allow users to enter data, programs, commands, and user responses into a computer and transform them into a suitable form for processing.          (满分:4)4 D: T( O: w! [, t7 V3 e" n
    A. RAM
5 q$ [- B6 T, a. V! F2 F    B. ROM
# X# e/ a' x$ `. {    C. Input devices
5 i! R' G& W4 s& A4 `0 }0 n6 r7 [    D. Memory
( y3 a- y* h+ H. }3.(    ) is one of the components of the CPU, tells the rest of the computer system how to carry out a program's instructions.          (满分:4): `3 r/ o: X# L7 c
    A. Control unit
' Y- V4 h8 y6 [7 C$ n1 g    B. ALU
+ l/ X9 I$ ~" F' K' {3 C. p0 `6 L    C. RAM5 `8 n. l8 P6 Q) y
    D. ROM
) A6 l- ^" }+ D; ~. N5 i1 L* C1 k4.(    ) performs arithmetic, comparison, and logic operations. It is one part of the CPU.          (满分:4)& `3 m9 u$ X& V. L$ J% p
    A. RAM
' |% b7 U. /' i8 G. |: Z" i- ?: Z    B. ROM# d; L' U7 S/ l2 x
    C. CPU
! {. A. `1 U* y- H( E    D. ALU
* W; S/ M7 @& m  p& b( h5.(    ) stands for Central Processing Unit. It performs the system's calculating and processing.          (满分:4)
( `+ v+ ?( m' H3 `) l    A. computer
3 H, @3 T" ~7 p% D7 a0 o0 p+ f    B. CPU
# r& H: e9 o$ @# ?* j    C. input device6 _3 P( z, A) d9 Q( w
    D. output device4 ]% k9 m" U  O) ^' Q
6.A(    ) is a cable which is capable of carrying signals representing data from one place to another.          (满分:4)
1 T1 /) d, _& ?, D% V5 b3 y    A. bus" n* E- K9 j/ j* w$ Z( N2 Q! N
    B. USB0 V0 l* u$ T2 }. Q2 M  j, r
    C. port& U. T2 Q, C! H$ r" P% p4 L
    D. keyboard' v: V7 r& l# ^, b4 E" f5 m8 [  B
7.A(    ) is the primary input device. It is used for entering letters, numbers and commands into the system.          (满分:4)
# [. [. W* ^0 j" |; K* `1 P. e    A. RAM& `3 J* N: T. U
    B. keyboard9 g* _/ {; v* H& H
    C. output  devices
1 J. M+ Z) W! h  q    D. memory: D% [  W- T6 {$ a$ V
8.The two components of the CPU are connected by a kind of electronic roadway called a(an)(    ).          (满分:4)9 P  L4 g& _9 n* b( ^
    A. USB
2 C7 H2 l8 g: M! X! ^2 f" g    B. bus/ @& H9 Z$ L; h% n
    C. port* _& x; _. H8 j
    D. keyboard, m( j* y) I" c& q4 b
9.(    ) stands for Random Access Memory.It is the main location for holding programs and data that the CPU is presently processing.          (满分:4)  v. ^+ ]; _; [# }8 H
    A. RAM6 c# h( m6 W1 O9 Z9 K" p6 t
    B. ROM* Q) T& t2 _1 n+ a! h1 y; B
    C. input devices
, m5 `# L1 z1 P- E- |! R3 w- // R8 I  r    D. memory
6 y$ C+ I$ l6 Q% E( K$ e10.(    ) is the electronic device that interprets and carries out the basic instructions that operate the computer.          (满分:4)$ o! A, e$ g, ?" J  }
    A. Processor
, }% `6 z( v6 H% P5 C; o/ G    B. hardware  K# H* F" B6 P! e) A
    C. memory
( G5 q( f* s3 }    D. CPU
1 ]4 J# T  n9 L1 z) H! e11.(    ) are output devices that print characters, symbols, and graphics on a physical medium such as paper and a transparency file.          (满分:4)1 z; d/ D/ C" F9 /9 q6 Q" S
    A. Flat panel monitors* G4 x) g% Z5 M6 q* R; E
    B. Printers
# n, J3 J* @% a1 c    C. Keyboards6 U0 c/ J" r' a, r
    D. Pointing device# `- F9 T5 m5 N9 s( M3 A
12.(    ) refers to the physical equipment that can perform the basic functions contained within the data processing cycle.          (满分:4)
  /2 _* `4 [4 ]5 `    A. Software& {- z  ~3 V( M$ z; T9 w' u
    B. Hardware5 M4 t2 [' F* /% h, C' ~
    C. Memory) l2 `$ @: /# u
    D. CPU
& Z* F1 C# D8 r' k5 J% u+ ?' C1 x13.(    ) can be in the form of programs, commands and user responses.          (满分:4)- T( L& O# E! f' @! @8 H6 {# e
    A. Processor; }1 q0 i9 f# t! F& `
    B. Instructions, ?1 f+ H) o- I3 T7 `
    C. Mouse" x$ y* e2 E" U7 B; h
    D. Port
; t( S( P& |: A, u1 Z) S( I14.(    ) have more storage capacity than diskettes and also offer faster access to the data they hold.          (满分:4)
: C& x- N& [$ u( q1 m1 u2 p4 A    A. Hard disks
* Z2 Q+ E$ |3 F9 k; c3 a    B. Optical disks- q$ l! a# z/ L1 V3 |+ W3 K& a
    C. Zip disk
5 [. }" @- ~4 {8 Z! H' }; w    D. CD
+ n: {$ I- ~$ N8 V15.The fourth generation of computer is(    ).          (满分:4)' I" h, @0 u( {
    A. vacuum tubes& Z% {8 g$ S1 ^1 J$ r2 H
    B. transistors6 n  ^2 k8 j7 E9 {/ b% N
    C. integrated circuits. h9 /, M* d8 E. H" ?9 a9 x
    D. microprocessors* /8 ?: E/ Y" U! _
16.The first computers used(    ) for circuitry and magnetic drums for memory, and were often enormous, taking up entire rooms.          (满分:4)* j" E3 v( Q. J
    A. vacuum tubes
' U3 V2 e# a! u2 L  U- b1 /    B. transistors1 h; C- g7 C9 g1 I6 @0 J2 j
    C. integrated circuits8 y+ H7 Y. W9 v3 M
    D. microprocessors- P$ ?; r: g# v
17.The process of translating instructions into commands is called(    ).          (满分:4)
! `0 [/ w1 q0 t2 G* L    A. decoding- {% C% _5 O7 s( U2 ?  S8 [
    B. register
4 ^: ]0 ]: J0 A" {8 _    C. digital
, A7 I# T9 x" t9 K4 e9 {; X. @    D. port5 R& o5 I4 w  m1 t% E' ~
18.The(    ) is the communications medium for the entire computer system.          (满分:4)5 k9 ~0 @4 ?0 l/ w9 h" `9 F. P
    A. system board8 J' E$ v! Z1 g. y% V# ]) M3 _
    B. input
) ]( H1 D1 t4 O! ?5 B! H    C. output' w/ H2 d: w/ D9 r
    D. bus
( b% B# J; z: Z" k' z19.The first generation of computer is(    ).          (满分:4)
" D" |9 ?! [6 ~9 Z    A. vacuum tubes" g' _6 h! i: c8 s1 ]1 q* l( p( z
    B. transistors
4 N/ ~( J0 ]- Y6 l6 z$ o    C. integrated circuits# Y- R/ F7 X; k
    D. microprocessors4 [  K: Z7 V0 Y1 B
20.A(    ) is an electronic device that operates under the control of instructions stored in its own memory, which can according to specified rules, produce results,and store the results for future use.          (满分:4)
; S, l- q3 d# v3 t& /    A. computer
' L/ x' T  X3 D( r4 d    B. CPU( }4 M% n6 w2 j
    C. input device
3 ~" W4 t. Z+ ?3 l/ m9 _" g1 t    D. output device
  m- R" ?8 J9 F1 e: j三、判断题：( [# c3 j* J: Q1 r
1.Information is summarized data or manipulated data.(    )          (满分:2)" e/ U4 D1 V5 h+ m0 k& q- T
    A. 错误, `: g  u) |; s/ D4 /; D2 V
    B. 正确
. P8 Q  g: W' I# J4 K5 b* }2.Output devices are peripherals that allow users to enter data, programs, commands, and user responses into a computer and transform them into a suitable form for processing.(    )          (满分:2)8 h7 s  f# l3 j& {' c$ l; Y
    A. 错误
+ Q8 A4 X6 G' K1 q* m# P! @    B. 正确$ H2 G4 t+ S5 R, M
3.Hardware is a computer program made up of a sequence of detailed instructions designed to direct a computer to perform certain functions.(    )          (满分:2)
& n9 j  `4 V" C; ^# j  x    A. 错误
8 |$ U1 w$ e' A8 j" x9 F    B. 正确) E$ ]5 j, P6 C5 h0 R" @
4.A bus is a cable which is capable of carrying signals representing data from one place to another.(    )          (满分:2)
# H7 /) n  F9 w" w    A. 错误0 Y; Y6 X; [8 a( Q# @6 v
    B. 正确/ u9 O$ D# q  q( `3 o# l2 I- E
5.ASCII stands for American Standard Code for Information Interchange.(    )          (满分:2)
5 u& G4 K3 s# C& N    A. 错误& E+ H8 o: T" G: ~; l9 |
    B. 正确
" U$ L# `4 /' i. u- E6.Software refers to the physical equipment that can perform the basic functions contained within the data processing cycle.(    )          (满分:2)' D6 r0 C) d- s
    A. 错误
$ `* C$ H6 i" S' /( X" N    B. 正确
3 d9 a9 Y% E# L# ^4 d4 n: ], E7.Memory also called main memory, primary storage, RAM, is an internal storage area in the computer, where data and programs designed for immediate processing are held.(    )          (满分:2): ?( ~0 ]: a% Q  R
    A. 错误
$ p5 S6 N* m1 r1 F6 {    B. 正确" ^" I# k0 `+ }
8.Input devices are hardware components that can convey information to a user in a form that they can use.(    )          (满分:2)" x; E6 j& B7 T% A/ M
    A. 错误
/ ?, g) p* W) i' Z) i- p& t4 T3 C2 l    B. 正确$ a# t* @4 c2 _, r8 s
9.USB port is a new industry wide standard that will eventually eliminate the need to install adapter cards.(    )          (满分:2)
6 o: z( Y* m& e    A. 错误
- T& O# l* T+ H0 x% j% /- u) p    B. 正确
3 Z$ F8 F+ ]! D. [. Z10.Data consists of the raw facts and figures that are processed into information.(    )          (满分:2)" d& C: U7 @0 a8 n% ?; j+ q$ E
    A. 错误- f7 J( n' z1 d* U- O. L; p' d
    B. 正确大工15春《专业英语(计算机英语)》在线测试2
! u# D/ j: o; E) M: N
& ^" h1 P6 U; W8 Y, U一、单选题：
. L  C  t: Q7 p2 I8 C1.Linux is an operating system similar to(    ) that is becoming more and more popular.          (满分:4)  c# ^7 u* W0 K
    A. Windows 98
& a# }+ [  H5 a    B. Windows 2000
; C; q1 D( a" C    C. Windows XP
% d3 n! k1 ?$ j    D. Unix
8 J$ t* Q0 B/ g; ~" X3 a2.A(    ) is  software that looks at an entire high-level program before translating it into machine language.          (满分:4)
4 S0 Z5 V7 t# S, P0 f    A. compiler
3 a6 @- n5 e, h. p6 G- _0 P  y1 d    B. interpreter
! |( x! B) a) g% l/ m% l# P    C. instruction
7 H$ J5 c, D! ^9 h! N  |* i1 f4 L    D. process/ R3 S8 |! I, X2 N' h
3.Two types of software are(    ) and application software.          (满分:4)3 w) W* p! o" ?. O! M. y! n! Z
    A. system software  f5 L7 Y6 B3 A2 J3 R6 m
    B. system call
, /8 c4 {2 d2 z4 c/ l& _    C. system crash
# |% O  J$ f# @1 U1 l4 c$ L    D. system hardware& I7 Z. Y" u! b9 K- G
4.(    ) programs are used to recover deleted or damaged(corrupted) files.          (满分:4)
0 r9 F6 j! c  e5 Y: @* W. ~    A. Data recovery
# l+ b! e, Z% V    B. System call( }3 y( p2 ]1 Q2 q9 @/ _; p
    C. System crash4 w- n/ X5 J8 {0 C, n0 G: x
    D. System software
3 E6 [# L9 W: U$ U* /+ i  M5.(    ), the protocol for transferring HTML files on the Web.          (满分:4)
2 ]6 t% W( H+ s2 F$ h7 M' C    A. HTML: b' Z  C; s4 A& b) Z5 ^: ]
    B. ISP! v+ s2 V( /  t9 J* |- C
    C. Client
) X# C" D7 z; d/ H1 j    D. Server
$ l' U$ `6 N1 l6 w) `/ I6.The(    ) is automatically loaded into RAM soon after you turn on, or "boot" the computer.          (满分:4)  Q- ]$ s* E( _5 w* k1 ?2 y  M4 C
    A. application software
- y5 a( |* }7 _$ ^$ A  D7 ]+ @7 F- p) z    B. operating software7 b& h8 i/ R" U' w4 p
    C. shell
1 L5 k* w+ l* |1 F+ `    D. compiler
! b; r% V; k1 I; c/ e9 k' E7.(    ), short for modulator/demodulator, device that converts digital signals into a representation of analog form(modulation) to send over phone lines;a receiving modem then converts the analog signal back to a digital signal(demodulation).          (满分:4)
  _: D  F7 R% U- _4 J  l    A. Server
( t( ^& V, F% F  L5 [! F; F    B. Network3 t* [! L0 u) P* M3 V4 D' e% {
    C. Modem
+ m  ]9 `2 T- L( k    D. Gateway2 m: Z6 k9 S' m  h1 z
8.(    ) is an acronym for local area network.It is a group of computers and other devices dispersed over a relatively limited area and connected by a communications link.          (满分:4)0 J, Q& E; // P$ h" c5 E1 l
    A. LAN1 d  {# O2 f. b
    B. WAN, X7 a$ h" B% T) y0 g% D7 w) @2 Z
    C. MAN3 @+ o1 r$ l% n. E$ M9 J
    D. None of the above
3 d$ E5 |( b1 P( R* Z9.A(    ) channel allows simultaneous message exchange in both directions.It really consists of two simplex channels, a forward channel and a reverse channel,linking the same points.          (满分:4)
4 T- P* N4 S9 Y    A. half-duplex
4 f: v6 @6 R  Z    B. full-duplex
# K1 |; O7 b- D" c    C. simplex
. `5 o$ C1 z+ d) l    D. none of the above9 y5 c3 _' }; e
10.In(    ) mode, the communication is unidirectional, like a one-way street. Only one of the two stations on a link can transmit;the other can only receive.          (满分:4). [3 @: T1 r" B) z
    A. half-duplex
" V4 V1 n% E; ]- ^9 }    B. full-duplex
6 u% y4 V2 l/ p- }. N    C. simplex
/ b$ D2 ]& C7 r) i/ j1 _- C    D. none of the above) G$ i4 o3 n  n6 ?: d' d
11.The CPU executes programs coded in a lower level language called the(    ).          (满分:4)2 g9 N2 y- `* {7 z8 V
    A. utility program
' ~) |' ^3 T" P. n7 q  P/ J$ D    B. language translator
2 r5 ?: u7 ~6 E) T4 H0 C7 ?8 m# r    C. machine language" Z9 q% y; I. p9 e* l% e
    D. backup( Y; M7 H( V- F$ [0 G
12.(    ), difference between the lowest and highest frequencies transmitted in a particular channel or system.          (满分:4)5 `* U3 B; w% i9 F0 `9 D
    A. Amplitude
7 e. n5 [& b6 @4 G* t    B. Bandwidth
' y" }* b- x# U9 d! V    C. Bridge
9 I- f! l4 K8 E! J9 |    D. Network7 w, [6 z$ a0 G! F
13.(    ) also called a program, is the series of computer language coded instructions that tells the computer how to perform tasks.          (满分:4). e( Z1 s) E: D# I' a1 |
    A. Software. /* L$ A: S4 ?4 H- m; h4 p
    B. Hardware) e% M7 s3 ?* x) V
    C. Compiler, z  a7 e! y$ d' j4 V$ [& w, |0 U
    D. Interpreter4 {, C1 H2 U" p( d8 F3 s
14.A(    ) is a highly intelligent device that supports connectivity between both like and unlike LANs,and between LANs and WANs or MANs.          (满分:4)
. Q* _9 e' E* {* r1 B4 w- ^2 s    A. router
) f- Z& j- j2 K$ a3 F% M    B. repeater+ A1 q( u$ I0 /; ]0 R
    C. switch2 K9 h2 u) Y! c& u. V8 m
    D. bridge8 [# `7 U) {; i1 i  B, H
15.(    ) is indicated by the height of a wave within a given period of time.          (满分:4)
. Q7 d2 I! S! y- i) j    A. Amplitude
8 o( @9 P2 e. i* p8 u" A    B. Frequency
& v3 u6 F" k9 N$ y* T, m    C. Analog signals: K1 D$ ^0 S0 R9 w. m% t
    D. Digital signals6 n6 ~. O( F) G6 f3 o
16.(    ) is the number of times a wave repeats during a specific time interval,that is how many times it completes a cycle in one second.          (满分:4)/ ?" f0 l+ D& S0 W
    A. Amplitude8 N1 n9 b& M6 |; K6 d
    B. Frequency9 Z5 u& b2 C+ D; R9 E# /
    C. Analog signals  y. [; i  G9 a# ~7 y4 G$ b2 a6 x1 q
    D. Digital signals, x3 N) /9 _# [4 [& |; @+ M
17.(    ) is a device that functions as both a router and a bridge.          (满分:4)
7 ~' o/ V( Y+ O6 W    A. Repeater% y# U0 [7 k3 z% B7 H* X/ b
    B. Switch
1 F! ^9 y+ g: }2 t. r* V& f2 y8 D- W    C. Gateway( r* Y$ W/ H- ^% D! J4 g; J# m9 l
    D. Brouter7 ^1 R6 l: G  q2 k0 V
18.(    ), software used in corporate networks(intranets and extranets) to prevent unauthorized people from accessing the network.          (满分:4)& K0 b9 V( G2 Q( y  i! c5 Q9 V
    A. Firewall1 R& t4 l: ^" m7 J, c$ p
    B. Modem3 v$ X, {) c6 E& A- O
    C. Hypertext
# c! I: [& p+ z4 U$ G( M/ `    D. TCP+ v1 M; Y8 z3 ]. J7 b4 t
19.In a(    ) network, all microcomputers and other communication devices are connected to a continuous loop.          (满分:4)
2 Z1 Y5 n9 S) [: _6 u    A. bus7 H7 s3 _* O4 /" E% j& Y
    B. star
0 x* A8 |& i1 b* R* _    C. tree, t8 n' |4 Z! X3 d
    D. ring7 Y/ k* y9 u. X' e( c  p
20.In a(    ) network, all microcomputers and other communications devices are connected to a central hub, such as a file server or host computer, usually via(UTP).          (满分:4)
( z6 ^, |, I' G) D    A. bus
/ x  K9 ^) T' @: g8 T6 o    B. star* x* z- _/ c( g- m: A
    C. tree
7 v7 O2 l! i5 n# ~7 Y* u    D. ring' K* v  k* n' {! d9 ?- _
三、判断题：- s# l8 N7 F& x) Y, Q8 U3 W
1.Gateway, interface that enables dissimilar networks to communicate with one another.(    )          (满分:2): p7 x( O# ~2 ^- S% g* n7 x% /# Y% {
    A. 错误5 R* x  J! J1 y8 p7 |
    B. 正确% D# ]0 L3 w% g, J5 C8 i' j
2.Device drivers are specialized programs designed to allow particular input or output devices to communicate with the rest of the computer system.(    )          (满分:2)
  @* A9 r7 b/ U    A. 错误
( _0 U  `1 p, l* V/ {& }7 q    B. 正确
7 r# H! R, i# X) j3.C++ is an object-oriented programming language.(    )          (满分:2)9 R1 L  }3 V+ w' ]1 ?; V
    A. 错误
, ~4 r6 j& Y( I6 ^0 x    B. 正确8 N3 n' |$ c- A. ?3 E, O
4.LAN, communications network that covers a wide geographical area, such as a state or a country.(    )          (满分:2)
  o. u4 R6 r& A& |! C* V    A. 错误# a5 L3 T& r& B$ g8 z' ?
    B. 正确% X4 t: y  @& I' P: z8 f
5.Language translators convert the programming instructions into a language that computers understand and process.(    )          (满分:2); J6 N4 G" `, [3 v: q, e
    A. 错误/ ]1 _+ Y( k% E/ o- p: e
    B. 正确& a( g8 n+ Q8 G& r0 /) D. U7 |
6.Upload, to send files from a user's microcomputer to another computer. Compare with download.(    )          (满分:2)
) Y! |; t5 G* d2 C  ~( }; W. f5 t    A. 错误3 r0 O0 x9 {: M4 v
    B. 正确
( O' ^4 q, s0 @, T& E9 N4 M7.Operating system is a set of programs that perform specific tasks for users.(    )          (满分:2)8 |& s6 f: x# c: r6 u- E/ n
    A. 错误
- j& I8 l4 g/ G3 r- V& w    B. 正确
& P  _5 J0 A" U5 E& r- u8.User interface controls how you enter data or instructions and how information is displayed on the computer screen.(    )          (满分:2)
% Z& o  T. V& L1 z6 r    A. 错误
3 ^  G+ |$ S" j- l; ?    B. 正确0 p9 |9 O' R6 U& ?  i1 l, Z
9.Application software consists of programs that perform specific tasks for users.(    )          (满分:2)9 h$ Y' t& b3 t# p. A
    A. 错误( D# _8 g* y; v; W3 Q
    B. 正确6 U- N( m. a) Q
10.Bridge, interface that enables WANs to communicate.(    )          (满分:2)8 s5 o0 s6 P' |
    A. 错误
- b( [& X; u9 q# e' F    B. 正确大工15春《专业英语(计算机英语)》在线测试3
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一、单选题：7 T1 b1 D9 Y5 ?1 o9 f
1.(    ), which stands for Motion Picture Experts Group(MPEG) Layer 3, is rapidly becoming the standard for music transmission via Internet.          (满分:4)
+ d$ f9 n5 m+ E5 l, ?- j4 S+ S    A. MP3
6 T8 M! U/ r4 w+ s  X  ~3 I    B. MP4
/ o- M: c+ N" x+ D! i    C. JPEG7 A1 z4 ?* F6 T: H! o
    D. AVI
. ?6 v( V+ i- n  {9 U2.(    ), the process of changing plaintext data into enciphered text through an algorithm.          (满分:4)
1 ~6 p3 I) B: R' }9 U    A. Decrypt
1 P9 K/ v8 ^6 B; v    B. Encryption
/ d& B# {  n: W* l( u    C. Authenticate5 _! x: V0 @) T0 ?  @
    D. Hacker/ G7 ]* ?; I# [, a1 H7 D
3.(    )(Motion Picture Experts Group) standards are the main algorithms used to compress videos.Due to the fact that movies contain both images and sound, it can compress both audio and video.          (满分:4)& e, [8 [. g- a; d
    A. JPEG  z2 j- C* |3 d0 M: ]& z2 {5 L; Z) x
    B. MPEG1 {% /( _# G2 G- A2 c
    C. MIDI$ q1 i- m- m3 k0 P
    D. none of the above
" F; d7 `+ o9 }: i# J. R5 }4 O4.(    ) is a protocol that lets a user log in to a remote computer and use programs and data that the remote owner has made available, just as if it were their own computer.          (满分:4)/ y% G! g. C6 D3 g
    A. FTP- u# h1 g/ b. Z- q
    B. WWW
. |9 N! y7 y" ?    C. Telnet7 q# U& t0 ~" Y; a6 w6 j  M5 h) Q3 E
    D. NSFNET/ Q  G. ]8 h3 x! l
5.(    ) stands for "World Wide Web"; it is the large global collection of Internet servers which support hypertext documents coded in HTML, and transferred via HTTP.          (满分:4)
2 f9 a( `, Z% S' l    A. Internet
+ @; U5 t& K  k9 ?    B. WWW
! c2 i0 N! C6 Q' S/ l    C. ARPANET
, }" O4 z7 G" W! |. c9 {    D. ISP5 L# X$ W. v8 d8 a6 G! h/ N. W
6.Which one is a word processing and text editing tool?(    )          (满分:4)+ b; s" H, z  _; E
    A. Photoshop9 R% H& S# q9 H. m
    B. Word/ x; N" U- o( X: {/ [, ?
    C. Extreme 3D7 P. n3 T- w) Z# [, x1 I8 V
    D. Premiere
( /4 p3 w( M! G  J8 |6 D5 @8 K7.(    ), referring to a person who breaks into computer systems for the challenge or steal computer resources or corrupt a computer's data.          (满分:4)6 W4 l2 E! ~! F0 A
    A. Hacker
( p8 ]  S* z( Y. j    B. Password
- G3 ?7 W6 e4 H# k# j' a+ m7 ?    C. DES
: [  B& u0 Z6 R: `2 c% N    D. Authenticate
& |8 |( K, _2 g) B( m! E) i8.(    ), a secret code assigned to a user which is known by the computer system. Knowledge of the password associated with the user ID is considered proof of authorization.          (满分:4)
' N) {5 u% K, l2 w( ?$ V    A. Hacker
2 j7 i" M; _1 o# T    B. Password1 p1 L/ C" `' O# r
    C. DES
6 M( [+ T7 ~/ k' P    D. Authenticate
' I/ S8 [& l; Q6 J: t5 W% Y9.(    ) ,conversion of either encoded or enciphered text into plaintext.          (满分:4)6 i; V* C$ y" E# ~& g
    A. Decrypt
2 C/ ]/ D0 G7 C# A. L$ T1 Q    B. Encryption
- Z) d: T! h" E, r- K9 ^- u    C. Authenticate
3 r3 p7 I( z2 /. d, G    D. Hacker
0 M* ^. k% Z8 }6 X- p5 @/ }! q& e10.(    ) is the messages, usually text, send from one person to another via the Internet.          (满分:4)
6 @: v" y  f. R* z/ v    A. TCP/IP$ j  o9 @( Z) f  S4 ~& Z
    B. Telnet$ ^% t% J% S! Y5 W
    C. FTP  r4 b4 j' ^1 m) o* p* l
    D. E-mail
& d8 K  V. Y. D* m4 |11.The(    ) was the precursor to the Internet. Developed in the late 1960's and early 1970's by the U.S. Department of Defence as an experiment in wide-area-networking that would survive a nuclear war.          (满分:4). `! O( x9 l7 n. r
    A. ARPANET# ?3 F$ o) n" _+ v
    B. Apple
" L7 s+ m6 o# s/ h+ a( y; a    C. Microsoft
! z6 o( /3 I! L$ G8 ]7 z1 M3 L- i    D. None of the above
* S/ x& F0 Z. B- /8 R$ O% H* j( o3 t12.(    ), technological and managerial procedures applied to computer systems to ensure the availability, integrity and confidentiality of information managed by the computer system.          (满分:4)
3 /0 V' _, j) V    A. Computer Security
0 O: N( O; T/ W    B. Digital signatures
* n7 I) D0 c8 b" V" i    C. Computer virus  f9 J* k) |5 D7 C/ l& i
    D. none of the above2 H, u8 r  b4 ^7 z
13.The(    ) is  a worldwide system of computer networks in which any one computer can get information from/or talk to any other connected computer using the TCP/IP protocols.          (满分:4)
! b$ v. O3 p9 A9 I/ h/ ~, I    A. Internet  @  S1 t, q6 U# }# G0 A+ }
    B. WWW
7 ]1 K9 w: [, j6 w9 x    C. ARPANET
. v! v( b9 N# w    D. ISP( S8 s- N* o3 Z: D
14.(    ) is a computer technology that creates three dimensional real illusion in an artificial world.          (满分:4)
7 P8 B+ o3 `3 s, w2 }$ ~0 l# N    A. Vector image! E5 F2 g/ C' S7 f
    B. Bitmap
5 ?* T8 m$ T0 h# P  B; h  p& X    C. JPEG$ k. {6 V+ f1 Y6 y+ ^  T# C
    D. Virtual Reality
0 E0 t1 y# D  {2 S15.(    ), executable code that, when run by someone, infects other executable code in a computer.          (满分:4)5 t. o( F2 /' c, ~) Z$ N3 |
    A. Computer Security
$ ?7 K8 R) J3 N9 /    B. Digital signatures3 j5 o2 ~3 m( n8 a" ^3 n
    C. Computer virus
2 W6 v5 B" T5 h) A. q: f    D. none of the above- s  |/ v' x3 z2 R, n0 B; @
16.(    )(Joint Photographic Experts Group), standard for compressing continuous-tone still pictures. It does not handle black-and-white images, nor does it handle motion picture compression.          (满分:4)
; ]+ g& U9 h) X2 X" t: r" Z! D( V9 W    A. JPEG* T; q3 p, g+ p* p7 S
    B. MPEG
: P% {$ T$ n3 m, `; m    C. MIDI
( n3 E0 ?: D% T" q0 ?: F% [$ @) b1 W    D. none of the above# R( y5 X# X' B; f/ Y3 F
17.(    ), the process of compressing a file such that,after being compressed and decompressed, it matches its original format bit for bit.          (满分:4)
. s6 ^+ }* J; U- ^8 n    A. Lossy compression
# a9 L5 f) s0 y2 }, /: q( h5 `    B. Lossless compression; b1 T  Y( _2 w0 k
    C. Bitmap
8 g. q8 K5 G+ A    D. Vector image  j1 G: `% D) N4 /7 A, B% |7 z
18.(    ) will provoke radical changes in the teaching process during the coming decades, particularly as smart students discover they can go beyond the limits of traditional teaching methods.          (满分:4)
7 S0 L) k# C) ^1 U) w    A. Animation
0 F; B1 m# g2 M8 m    B. WAV0 g  T1 a8 u6 X" X4 F. E
    C. Multimedia
8 l* I1 I6 A" `6 ?    D. none of the above
  C5 _. e- q& l2 x* i) S6 ?, _, M19.(    ), the process of compressing a file such that some data is lost after the file is compressed and decompressed.          (满分:4)$ ?8 d( R/ n- a3 L# t- B; i3 b
    A. Lossy compression
* {/ Z3 J) x5 T/ k& d$ {6 F" k6 H    B. Lossless compression
1 @' I$ u3 V9 q" {2 Y/ d    C. Bitmap
! J8 u. ]' {9 /- |  o  Z    D. Vector image
: z2 @; P, V4 }20.(    ) is a way of transferring files over the Internet from one computer to another.          (满分:4)
% ?- ?. b9 M" y    A. Internet
$ ~3 ]% j' H& J# G3 `    B. FTP; b8 {# |5 y$ v
    C. E-mail) j6 c# A- x6 G2 V
    D. ISP
1 M. v* W1 `  t" _+ a$ y$ ?三、判断题：0 ^6 P7 e# J' v% [" R# u
1.A Domain Name System is an Internet service that translates domain names to or from IP addresses.(    )          (满分:2)
( p% S) T' I7 T  p+ F    A. 错误
0 r$ m( j, I+ _! P    B. 正确
- m" H) K/ n7 K, ?7 k1 G2.TCP/IP is the suite of communications protocols used to connect computers on the Internet.(    )          (满分:2)$ q1 V4 i, X) a# f; ?, ~: X0 ~
    A. 错误2 ~/ a# E8 U1 d: f" v  G
    B. 正确
. {- [: M' Z0 B% s8 q) z3.A leased line is a line rented from a telephone company for the exclusive use of a customer to access Internet.(    )          (满分:2)# j( O5 c  Y" `; N4 i& o7 q7 N
    A. 错误
( g3 z* ~# F; c0 _& H  G( Y* X6 v    B. 正确7 g0 P# C/ O2 x$ j
4.A credit card is a plastic card that allows the holder to obtain goods and services on credit terms without the immediate requirement to pay cash.(    )          (满分:2)1 Z1 s7 I7 u: r6 q/ t# K
    A. 错误
& U1 Z  c4 W: k1 S  m    B. 正确
6 _- I! G. s% L. g5.An online payment is a monetary transcation from the customer to the vendor over the Internet by credit card, digital cash, e-wallets, and smart cards.(    )          (满分:2)
% A" H5 `7 x3 G3 r0 A    A. 错误& ^1 X# k( X: }7 z2 o# W
    B. 正确+ z0 m) H$ ?1 C) |
6.An ISP is a company that provides access to the Internet.(    )          (满分:2)
/ z& C( t  P9 s- `' w; ?    A. 错误
2 w% z7 ~+ ^4 {/ |- [$ E) o    B. 正确
5 {# F+ C+ H+ T9 J; E  X7 N7.Symmetric key(Private Key):In encryption, a two-key system in which the key used to lock data is made public, so everyone can "lock".A second private key is used to unlock or decrypt.(    )          (满分:2)  i: E$ @. R' F2 x2 ^( K
    A. 错误
2 V+ _# e3 }* p- e    B. 正确' i9 `8 m! V% [6 q& x
8.Asymmetric key(Public Key),in encryption, one key is used to both lock and unlock data.(    )          (满分:2)
6 T" {0 j1 R1 _    A. 错误
7 g( U  M' f2 i7 @3 W5 @* w    B. 正确5 o5 I& }/ Y2 c& v( _/ S
9.EDI is a set of computer interchange standards for business documents such as invoices, bills, and purchase orders.(    )          (满分:2)
6 I/ j; Q! g* I5 G  T- Q    A. 错误" T9 l4 Z( z0 c7 Q1 ]/ h
    B. 正确
" l) w  |& X, P1 o6 C1 F10.Electronic Commerce means buying and selling products and services online via the Internet.(    )          (满分:2)
5 T. l) b& G4 Z6 M$ s    A. 错误
' Q' d9 Y4 A2 y: /    B. 正确! }9 O/ ^  }, Z4 |

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