Exam 4: Business Hardware

Input devices,most commonly computer monitors and printers,deliver information from the computer to a person.

A_________ is a socket used to connect a computer to external devices.

Popular output devices include the keyboard,mouse,trackball,microphone,and various types of scanners.

A(n) _________consists of one or more rigid platters installed in the same box that holds the CPU and other computer components,or attached externally to the computer,usually through a USB port.

The_________ keyboard was originally designed to slow down typing,because early mechanical typewriters jammed when users typed too fast.

_________is located near the CPU and stores data and instructions just before and immediately after the CPU processes them.

Describe the basic types of access modes.

_________is used to try to interpret handwritten and printed texts not originally designed for source data entry.

The electronic lines or traces used for communication inside a computer is called the_________ .

A_________ is an independent memory device and is also known as a thumb drive.

With a(n)_________ ,a user controls the cursor by moving his or her finger along a touch-sensitive pad.

The most common computer-related type of repetitive-stress injury is_________ .

The control unit uses special circuitry called a(n)_________ ,which synchronizes all tasks.

An advantage of a flat-panel monitor is its lower power consumption.

In a(n) _________monitor,the inner side of the screen has a layer of tiny phosphoric dots,which make up the pixels.

Voice recognition is the process of translating human speech into computer-readable data and instructions.

_________receive signals from outside the computer and transfer them into the computer.

The most widely used storage medium is the optical disc.

The two units in the CPU are the arithmetic logic unit and the_________ .

_________is the study of the comfort and safety of human beings in their working environment.