计算机导论考试重点

What are the five parts of an Information System?

A: People, Procedures, Software, Hardware and Data

What is Connectivity?

A: the capability of your microcomputer to share information with other computers.

Describe the three types of system software programs

A: operating system, utilities, device drive

What are the four types of computers?

A: supercomputers, mainframe computers, minicomputers, and microcomputers

Describe the four types of microcomputers?

A: desktop computers, notebook computers, tablet PC, and handheld computers

Describe the four basic categories of microcomputer hardware

A: system unit, input/output devices, secondary storage, and communication

wireless revolution is dramatically affecting communications and computing

What is the difference between the Internet and the Web?

A: The Internet was all text-no graphics, animations, sound, or video.

The Web Provides a multimedia interface to connect to the Internet resources in cyberspace

What is system software? What are the four kinds of system software program?

System software is not a single program. Rather it is a collection or a system of programs that handle hundreds of technical details with litter or no user intervention.

The four types of programs are operating systems, utilities, device drivers, language translators. What is the system unit?

A: Competent end users need to understand the functionality of the basic components in the system unit, including the system board, microprocessor, memory, system clock, expansion slots and cards, bus lines, ports, cables, and power supply units.

What is table PC? Describe the two basic types.

A: table PCs are highly portable devices that support the use of a stylus or pen to input commands and data. One type is effectively a notebook computer with a monitor that swivels and folds onto its keyboard. The other type is similar to a note book computer except that its monitor attached to the system unit and does not have a keyboard integrated into the system unit

What is input? What are input devices?

A: Input is any data or instructions that are used by a computer.

Input devices are hardware used to translate words, sounds, images, and actions that people understand into a form that the system unit can process.

What is output? What are output devices?

A: Output is processed data or information. Output devices are any hardware used to provide or to create output.

Application software _might be described as end user software these programs can be categorized as either basic or specialized application

Date—The raw, unprocessed facts, including text, numbers, images, and sounds.