Exam 7: Essential Introduction to Computers

Computers perform four basic operations - input, process, output, and communication .

With a(n)mouse , you control the movement of the pointer on the screen and make selections from the screen.

People who use the computer directly or use the information it provides are called computer users, end users, or sometimes, just users.

____ computers are a good option if you work mostly in one place and have plenty of space in your work area.

A(n)____________________ device is a hardware component that enables a computer to send (transmit)and receive data, instructions, and information to and from one or more computers.

A ____ is a small metal or plastic device that looks like a ballpoint pen, but uses pressure instead of ink to write, draw, or make selections.

The most popular scanner purchased with a computer today is the ____________________ scanner.

Figure 1 Most notebook computers come with a touchpad, a small, flat, rectangular pointing device near the keyboard that allows you to move the pointer by sliding a fingertip on the surface of the pad. Such a device is shown in the accompanying figure.

What is the most popular type of flat panel monitor?

A(n)____ is system software.

Critical Thinking Questions Case 1 Sally is a very active real estate agent. She is looking to purchase a new computer so she can keep track of her client's accounts, access the Internet from anywhere in the city and touch-up photos of real estate properties. Should Sally get a PC desktop or a laptop computer? List the system requirements she should have on this computer. Include: operating system, processor speed, RAM, Internet access, hard disk, optical drive type, screen size.

How much RAM is recommended for a Game Home User?

Figure 1 What type of device is shown in the accompanying figure?

A URL consists of a ____, a domain name, sometimes the path to a specific Web page or location in a Web page, and the Web page name.

Critical Thinking Questions Case 2 John is working on a very secretive project. He is concerned that his laptop may be stolen. He is especially concerned that his data may fall into the wrong hands. One of his co-workers told him to get one of these devices. Figure 2 What is this device called?

The disadvantages of mobile computers, such as lower processor speeds, poor-quality monitors, weight, short battery life, and significantly higher prices, prevent companies from buying these computers for their staffs even today.

A ____ is a duplicate of a file, program, or disk that you can use in case the original is lost, damaged, or destroyed.

One kilobyte (K or KB)equals approximately ____ memory locations

Passive-matrix screens display high-quality color that is viewable from all angles.