A computer virus is a computer program that is created to make and spread(71)of itself.A．programsB．virusC．copiesD．files

Password is a(n)(71)series of characters that enables a user(72)a file, computer or program. On multi - user systems,(73)user must enter his or her password(74)the computer will respond to commands. The password helps ensure that unauthorized users do not access the computer. In addition, data files and programs may require a password.

Ideally, the password should be something(75)could guess. In practice, most people choose a password that is easy to remember, such as their name or their initials. This is one reason it is relatively easy to break into most computer system.

A．obvious

B．secret

C．important

D．easy

试题（71）

Which of the following would require real-time processing?（71）

（71）

A．Playing a computer game

B．Executing a program that predicts the state of economy

C．Printing labels

D．Listening the music

A ______ computer is a personal computer whose hardware is capable of using any or all of the following media in a program, text, graphics, video and animation.

A．database

B．multimedia

C．network

D．mainframes

Inside the computer, the operation system(of another software module called a data communication(71))must decide which program will get control next. Each program remember, is associated(72). a particular front -end port. If a program's data have not yet reached its front - end buffer, there is no point giving that program control. Thus the data communication monitor sends its own(73)signal to the front -end devices next port is polled. Note that the(74)computer speed. The computer never has to wait for a terminal or a communication line. Instead, it is the expressive front - end processor that waits for the slower system(75)to respond.

A．memory

B．control

C．monitor

D．charge

In software engineering the design phase is divided into（ ）。

A.system design and detailed designB.computer design and program designC.system design and hardware designD.computer design and detailed design

A(72)translates a computer program written in a human-readable computer language into a form. that a computer can exec ut

A.compiler

B.linker

C.assembler

D.application

A(74)translates a computer program written in a human-readable computer language into a form. that a computer can executabl

A.compiler

B.linker

C.assembler

D.application

●The (75)is designed specifically as a security system for preventing unauthorized communications between one computer network and another computer network.

(75)A.firewall

B.protocol

C.hacker

D.virus

The(74) program is generally translated to an object program, which is in a form. directly understandably by the computer.

A．transfer

B．assemble

C．source

D．compile

With the widespread use of the personal computer, many authorities in the field of(56)have pointed out the need for computer literacy.Unfortunately, there is no(57)agreement as to what the term "computer literacy" means. Some feel that computer literacy means knowing how to make the computer "compute"; that is knowing how to program computers in one or more programming languages.Others feel that knowing how to program is merely a small segment of computer literacy. These people(58)the major emphasis in schools should be on teaching how to effectively use the many software packages that are available.Still others suggest that computer literacy education is not required. They suggest that computers are being so rapidly integrated into our society that using a computer will be as(59)as using a telephone or a video tape recorder, and that special education will not be necessary. (60)of one's definition of computer literacy, it is recognized by most that learning to use a computer is indeed an important skill in modern society.

A．culture

B．science

C．education

D．industry

Password is a secret series of(69)that enables a user to access a file, computer, or program. On multi-user systems, each user must enter his or her password before the computer will respond to(70). The password helps ensure that(71)users do not access the computer. In addition, data files and programs may require a password.

A．symbol

B．sign

C．characters

D．characteristic

Your computer runs Microsoft Windows XP Professional. You share your computer with two other co-workers. You purchase a new computer. You install Microsoft Windows Vista on the new computer. You need to migrate the following content from the old computer to the new computer:All system and program settingsAll users settingsOnly the content in the C:\Appdata folderWhich tool should you use?（）

A.A

B.B

C.C

D.D

The(71) program is generally translated to an object program, which is in a form. directly understandably by the computer。

A．transfer

B．assemble

C．source

D．compile

A computer program, orjust a program, is a sequence of (75) ,written to performa specified task with a computer.

A.languages

B.instructions

C.programs

D.functions

The part of the computer that runs the program is known as（71）

A.sofiware

B.memory

C.CPU

D.storage