Exam 4: Hardware for Educators

A(n) ____________________ is any hardware component that allows you to enter data, programs, commands, and user responses into a computer.

____ memory is nonvolatile because it retains its contents even when the power is turned off.

A joystick lever usually includes buttons called ____ that can be pressed to activate certain events.

____ often are used in freestanding computers that provide information to users.

Because of their reasonable cost and print quality, ____ printers often are used in homes and schools.

A ____ is equal to approximately 1 million bytes.

Human speech is ____________________, meaning that it uses continuous signals to represent data and information.

Data projectors can be large devices attached to a ceiling or wall in an auditorium, or they can be smaller portable devices.

A ____ converts text or images on an original document into digital data that can be stored on a storage medium and processed by the computer.

While laser printers typically cost ____.

____ is the process of carrying out the commands.

CD-ROM, like that in the accompanying figure, is an abbreviation for ____.

____________________ are convenient to use because they are small and lightweight enough to be transported on your keychain and plug into a USB port.

Storage devices can function as sources of ____.

Many desktop computer keyboards have a numeric keypad located on the left side of the keyboard.

A ____ port is used to connect up to 127 different peripheral devices with a single connector.

As illustrated in the accompanying figure, four common types of output are text, graphics, audio, and video.

____ is an example of volatile memory.

The accompanying figure depicts the four common types of output. Briefly define output and each of the four common types.

Modified Multiple Choice Many multifunction devices (MFDs) provide the functions of a(n) ____.