Exam 3: Computer Hardware

OCR technology is used to read codes on merchandise tags, product labels, credit card receipts, and other documents.

Industry experts predict that the emergence of network computers and _______________ appliances for applications on the Internet and corporate intranets will replace many personal computers.

Banks use _______________ technologies for check processing.

Continuous speech recognition systems:

Data are processed and stored in a computer system through the presence or absence of electronic or magnetic signals to the computer. This is called a _______________ representation of data, because the computer and the media can exhibit only two states or conditions.

The most common output trend is _______________.

A _______________ user interface presents a user with icons, bars, buttons, boxes, and other images to initiate computer-based tasks.

The central processing unit (CPU) of a computer system is divided into two major subunits: the arithmetic-logic unit and the _______________ unit.

Network servers are the most important category of computer systems for both businesspeople and individual consumers.

Which of the following statements about optical disks is true?

Which of the following is a secondary storage device?

The dark, magnetic stripe on the back of credit cards can hold about _______________ of information.

Most CD-ROM disks can hold more than 600 megabytes of information.

The _______________ devices of a computer system include video display units, printers, audio response units, and so on.

The principal drawback of the Electronic Numerical Integrator and Computer (ENIAC) was its __________ and processing ability.

A bit, the smallest element of data, can have values of:

__________ are some of the more powerful microcomputers; they are used to coordinate telecommunications and resource sharing in small LANs and in Internet and intranet websites.