Basically, a computer consists of five components: (71)， memory, storage, input device and output device.(71)

A．keyboard

B．mouse

C．monitor

D．CPU

[单选题]The passage is basically a ______.A． biography of John Paul JonesB． criticism of John Paul JonesC． history of the United States NavyD． comparison of the American and Russian navies

[单选题]Basically,a(71)is a standalone process or a set of integrated processes that runs on a router or server to control the flow of(72)application traffic(73)through it.Typically,firewalls are(74)on the entry point to a public network such as the Internet

[单选题]B．asically, a(71)is a standalone process or a set of integrated processes that runs on a router or server to control the flow of(72)application traffic(73)through it. Typically, firewalls are(74)on the entry point to a public network such as the Inte

[单选题]The program memory serves basically as a place(66)instructions, the coded pieces of data(67)direct the activities of the control processing unit(CPU). A group of(68)related in- structions stored in memory is referred to as a program. The CPU "read"

[单选题]A． ______ consists of the symbols, characters, and usage rules that permit people to communicate with computer.A．programming languageB．networkC．keyboardD．DisplayA．B．C．D．

[单选题]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．databaseB．multimediaC．networkD．mainframes

[单选题]A computer virus is a computer program that is created to make and spread (72) of itself.(72) A．programsB．virusC．copiesD．files

[单选题]4KB consists of ( ) .A．4096 bytesB．4000 bytesC．4096 bitsD．4000 bits

[单选题]The（ ）Process Group consists of the processes used to complete the work defined in the project management plan to accomplish the project’s requirements. A．Planning B．Executing C．Monitoring and Controlling D．Close－out

[单选题]A．(72)consists of the symbols, characters, and usage rules that permit people to communicate with computer.A．programming languageB．networkC．keyboardD．display