Chapter 2- Computer Concepts

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Computers use ________ language consisting of 0s and 1s.

binary

Which of the following is NOT a system used with touch screens?

Inductive

The number of pixels displayed on the screen is known as ________.

screen resolution

The most common type of monitor is a(n) ________.

light crystal display (LCD)

Inkjet printers and laser printers are examples of ________ printers.

nonimpact

________ printers have tiny hammer-like keys that strike the paper through an inked ribbon.

Impact

The ________ contains the central electronic components of the computer.

motherboard

A ________ enables your computer to connect to other computers or to the Internet.

network interface card (NIC)

________ is the abbreviation for the place in the computer where the programs and data the computer is currently using are temporarily stored.

RAM

RAM is a ________ storage location.

volatile

The area that holds all the instructions the computer needs to start up when it is powered on is ________.

ROM

In binary language, each letter of the alphabet, each number, and each special symbol is made up of a unique combination of eight ________.

bits

A(n)________ CPU has two processing paths, allowing it to process more than one instruction at a time.

dual-core

All of the following are examples of nonvolatile storage EXCEPT ________.

RAM

Dropbox is an example of ________.

cloud storage

All of the following are names for a flash drive EXCEPT ________ drive.

hard

Flash drives plug into a(n) ________.

USB port

Which of the following optical storage media has the greatest storage capacity?

BD

Which port is the most common port found on today’s computing devices?

Universal serial bus (USB)

A(n) ________ is where a peripheral device can attach to a computer so that data can be exchanged between it and the operating system.

port

Which computer port can transmit uncompressed audio and video?

HDMI

All of the following are ways to avoid injuries when working on computers EXCEPT ________.

placing a monitor at least 12" from the eyes

Which of the following is the smallest unit of measure?

Megabyte

________ is concerned with the design and arrangement of machines and furniture to avoid uncomfortable or unsafe experiences.

Ergonomics

Apple’s OS X and Microsoft Windows are examples of ________ software.

operating system

An Apple iPad and a Samsung Galaxy Tab are examples of ________ computers.

table

Information is data that have been organized or presented in a meaningful fashion.

True

A smartphone is a computer

True

The operating system provides the means for users to interact with a computer.

True

The terms data and information can be used interchangeably.

False

Which of the following computers supports many simultaneous users and manages large amounts of data?

Mainframe computer

Processing is manipulating, calculating, or organizing data into information.

True

On a keyboard, Num Lock and Caps Lock are both toggle keys.

True

Laser printers are used in stores to print receipts and in airports for electronic ticketing.

False

The arithmetic logic unit (ALU) controls all of the functions performed by the computer’s other components and processes all the commands issued to it by software instructions.

False

Joysticks and steering wheels are examples of game controllers.

True

Keyboards that display on screen when input of text is required are known as virtual keyboards.

True

Starting a computer when it is powered off is called a warm boot.

False

Brightness ratio is the difference in light intensity between brightest white and darkest black produced by a monitor.

False

The area that holds all of the instructions the computer needs to start up is the RAM.

False

External hard drives are often used to back up data that are contained on the internal hard drive.

True

________ computers are specially designed computer chips that reside inside other devices such as a car.

Embedded

Today’s CPUs run at speeds measured in kilohertz.

kilohertz

A keyboard and mouse are examples of ________ devices.

input

A(n) ________ is an input device that looks like a pen.

stylus

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