The computer system（）suddenly while he was searching for information on the Internet.

There are a kind of persons who use computer to deal with data and produce some information，but they do not change the hardware system and the software system．Which kind of person are they

A．system architect

B．language creator

C．terminal user

D．computer scientist

此题为判断题(对，错)。

上周他被指控闯入电脑系统。

He the computer system last week.

While most recent attention in the AI field has been focused on expert system software, AI(66)has also seen dramatic advances. Activity in the past years was characterized by new low-cost, powerful Lisp machines, the introduction of AI workstations, Lisp compilers becoming available for all major professional and engineering workstations, and the personal computer emerging as a(67). tool for expert system development. The next few years will see this technology evolves further.Because the(68)of an AI computer represents a sizable investment, companies should carefully(69)all options that are available as well as have a good idea of what the next generation of systems will offer in order to(70)the optimum system. This publication provides the information necessary to gain this understanding.

A．choice

B．read

C．important

D．software

E．hardware

A(n) ______ is a destructive program that fills a computer system with self-replicating information，clogging the system so that its operations are slowed or stopped．

A．worm

B．macro

C．CIH

D．Trojan

The smallest unit of information in a computer system is called a(72)

A．Bit

B．Byte

C．block

D．file

Since RAM is only active when the computer is on, your computer uses disk to store information even when the computer is off. Which of the following is true?(74).

A．When your computer is on, only RAM is used to store information.

B．When your computer is on, only disk drives are used to store information.

C．When your computer is off, only RAM is used to store information.

D．When your computer is off, only disk drives are used to store information.

The term computer describes a device made up of a combination of electronic and electromechanical components． By itself, a computer has no（ ）and is referred to as hardware, which means simply the physical equipment． The hardware can&39;t be used until it is connected to other elements, all of which constitute the six parts of a computer-based information system, hardware, software, data/information, people, procedures and communications． A system is defined as a collection of related components that（ ）to perform a task in order to accomplish a goal． Any organization that uses information technology will have a computer-based information system to provide managers (and various categories of employees) with the appropriate kind of information to help them make decisions． Systems analysis and design is to ascertain how a system works and then take steps to make it （ ）Often, a system approach is used to define, describe, and solve a problem or to meet a(an)（ ） From time to time, organizations need to（ ）their information systems, in, response to new marketing&39; opportunities, modified government regulations, the introduction ．of new technology, merger with another company, or other developments． When change is needed, the time is ripe for applying the principles of systems analysis and design．

A.information B.software C.intelligence D.dataA.interact B.work C.connect D.changeA.improved B.better C.good D.bestA.decision B.need C.standard D.objectiveA.modify B.replace C.changeD.transfer