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What is the difference between data and information?

Data represents a fact. Information is data that has been organized.

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

binary

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

bits

Which of the following is the smallest unit of measure?

TB
PB
MB
GB

MG

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

operating system

An Apple iPad and a Microsoft Surface are examples of ________ computers.

tablet

Which of the following computers is large, expensive, and is designed to execute a few programs as fast as possible?

desktop computer
embedded computer
mainframe computer
supercomputer

supercomputer NOT embedded computer

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

Embedded

A keyboard and touch screen are the most common of ________ devices.

input

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

Stylus

Each of these is a basic type of a touch screen, EXCEPT ________.

resistive
reflective
surface acoustic wave
capacative

reflective NOT capacative

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

screen resolution

The most common type of monitor for laptops and desktop computers is a(n) ________.

LCD liquid crystal display

The two main categories of home and office printers are ________ and laser printers.

inkjet

________ printers use static electricity and toner and heat set the image on the page very quickly.

laser

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

The computer stores currently used programs and data in ________.

RAM

RAM is a ________ storage location.

Volatile

The area that holds all the startup instructions the computer needs to start is ________.

ROM

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

all-in-one
dual-mode
dual-core
bimodal

dual-core

Which of the following is NOT an example of nonvolatile storage?

DVD
Flash Drive
RAM
Hard Drive

Ram

Dropbox is an example of ________.

Cloud storage

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

USB
jump
hard
thumb

hard

Flash drives plug into a(n) ________.

USB port

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

DVD DL
Blu-ray
CD
DD

blu-ray

Which port is the most common port used to connect input and output devices to a computer?

Universal serial bus (USB)

To connect a peripheral device to a computer to exchange data, find the appropriate ________ for the device.

Port

Which computer port transmits audio and video without the need for compression?

HDMI
RGA
VGA
USB

HDMI

Which of the following is NOT a goal of green IT?

Use technology to reduce travel

reduce use of electricity

use technology as long as possible

cleaning waterways with repurposed computers

cleaning waterways with repurposed computers NOT Use tech. to reduce travel

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

purchasing an adjustable chair

ensuring proper lighting

placing a monitor at least 12" from the eyes

taking breaks

12" from eyes

A ________ is the biggest power consumer on a computer.

Display

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

Ergonomics

BLANK is a representation of a fact, a figure, or an idea and can be a number, a word, a picture, or even a recording of sound.

Data

BLANK is the set of computer programs that allows the hardware to perform different tasks.

Software

A(n) BLANK is a computer that is designed to execute a few programs extremely rapidly.

Supercomputer NOT Embedded

A(n) BLANK device is a component, such as a keyboard, that connects to the computer.

peripheral NOT input

A BLANK is approximately 1000 bytes

kilobyte

Microphones and scanners are examples of BLANK devices.

input

BLANK is a wireless transmission standard that lets you connect mobile computing devices to peripheral devices over short distances.

Bluetooth

Display screens that respond to commands initiated with your finger or a stylus are called BLANK
screens.

touch

A desktop computer’s BLANK
is the case that houses the main components of the computer and where peripheral devices connect.

SYSTEM UNIT

The BLANK
keyboard layout gets its name from the first six letters in the top-left row of alphabetic keys on the keyboard and is the most common English-language keyboard layout.

QWERTY

Joysticks and steering wheels are examples of BLANK
controllers.

game

A(n) BLANK
is a small video camera that sits on top of a monitor or is built into a laptop and can be used to transmit live video.

webcam

A(n) BLANK
microphone picks up sounds coming from all directions at once and is well suited for conference calls.

omnidirectional

The width-to-height proportion of a monitor is known as the

aspect ratio

Monitors display images by using a grid made up of millions of tiny dots, called

pixels

The length of time it takes for a processor to request, locate, open and deliver information stored in RAM is measured in

nanoseconds

Each pixel on the newest 4K resolution TVs and monitors is actually made up of four yellow, red, blue, and green

sub-pixels

A(n) BLANK
is a device that combines the functions of a printer, scanner, copier, and fax machine into one unit.

all-in-one printer

The "brains" of the computer is the
.

CPU

An SD card is an example of blank

memory card

CD, DVD and BLANK discs are examples of optical storage

blu-ray

BLANK
is a technology most frequently used for credit and debit card processing.

NFC

BLANK
mode puts the computer in low power usage, but keeps programs in RAM.

SLEEP

BLANK
display color uses the least electricity when compared to any other color.

BLACK

BLANK
is a power-saving mode that stores data to a computer’s hard drive instead of to its memory.

Hibernate

T/F
Information is data that has been organized or presented in a meaningful fashion.

T

T/F
A smartphone is a type of computer.

T

T/F
The operating system controls how your computer functions.

T

T/F
The terms data and information can be used interchangeably.

F

T/F
The fastest super computer in the world has 9,000,000 computing cores.

F

T/F
Processing is manipulating, calculating, or organizing data into information.

T

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

T

T/F
Laser printers are usually faster at printing in black and white than inkjet printers.

T

T/F
All printers can print from smartphones and tablets.

F

T/F
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.

F

T/F
Game controllers are output devices.

F

T/F
Keyboards that display on-screen when text input is required are known as virtual keyboards.

T

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

F

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

F

T/F
Today’s CPUs run at speeds measured in kilohertz.

F

Holds start up instructions needed whent he computer is powered on

ROM

More energy efficient than LCD monitors

OLED

Standard keyboard layout

QWERTY

Processes commands issued by software instructions

CPU

Stores programs and data the computer is currently using

RAM

Represents a fact, figure, or idea

Data

turning data into information

processing

data organized in a meaningful way

information

computer programs

software

physical components of a computer

hardware

Smallest to largest bytes

Kilo Mega Giga Tera Peta

Used to insert data

Inpute devices

displays processed data

output device

case that houses the electronic components

system unit

min circuit board containing the central electronic components

motherboard

external device that exchanges data with the computer through ports

peripheral device

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