INFO 160 Chapter 2

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When storing information in a computer, the binary numbering system uses an () to represent an off switch

0

A bit consists of a

0 or a 1

For each numbering base system, the far right always has a place value of ()

1

When storing information in a computer, the binary numbering system uses an () to represent an on switch

1

Eight binary digits is equal to

1 byte

A megabyte holds approximately () bytes of data

1,000,000

A kilobyte holds

1,024 byte of data

Hexadecimal represents numbers using which base?

16

In the hexadecimal numbering system, each place value digit is () times greater than the digit to its right

16

In the binary numbering system, each place value digit can have () possible values

2

A(n) ____ is a laptop computer that can convert into a tablet-like device.

2-in-1 PC

How many bits does it take to spell the word yes?

24

In the RGB system, each color can have a value from 0 to

255

How many colors are used in the RGB system?

3

A single hexadecimal number is represented by () digits in the binary numbering system.

4

cellular network

4G

One byte is equal to

8 bits of data

which of the following statements about flash memory is FALSE?

A flash drive is needed to read a flash memory card

Which of the following statements is false?

A single bit can represent a single letter

() measure the amount of movement in any direction to detect shaking and rotation

Accelerometers

Which of the following optical storage devices holds the most high-definition video?

BD

Which of the following storage devices has the most capacity?

BD

number that represents the value of each digit

Base

Which of the following is NOT a port?

CPU

Which of these is considered the "brains" of the computer?

CPU

Who built and operates the GPS?

DOD

Which of these is an example of optical storage media?

DVD

commonly used to connect projectors to a computer system

DVI

of a computing device drains the battery the fastest

Display Screen

Android devices do NOT support voice recognition

False

Conventional disk drives are superior to SSD drives because they have no moving parts

False

The brain of the computer is the USB

False

Which of the following is NOT an optical storage device?

Flash Drive

powerful navigation system

GPS

The Android smartphone operating system was developed by

Google

Which of the following ports do you need to use with a home theatre system?

HDMI

used for home theatres

HDMI

Which of the following statements about your computer's primary hard drives is FALSE?

Internal hard drives use a laser reader and write data

Smartphones come with ()screens in a variety of resolutions

OLED

screen type used by smartphones

OLED

The () system uses combinations of red, blue, and green light to display a full spectrum of colors

RGB

coding system for displaying colors on a computer screen

RGB

Smartphones store their operating system software in

ROM

Many full-featured smartphones support additional memory through micro () flash cards

SD

Which of the following statements is true?

Smartphones are considered a type of computer

Which of the following CANNOT be represented by a single byte? A word such a

TOM

RAM is volatile storage

TRUE

The fastest computer port is the () port

Thunderbolt

A touch pad is a pointing device usually found in laptops

True

Apple's iPhone series does NOT allow you to add any memor

True

Smartphones are small fully functional computers

True

Flash drives plug into a(n) () port on a computer.

USB

The most common ports used to connect input and output devices are () ports

USB

commonly used for connecting input and output devices

USB

Which of the following ports has the fastest data transfer rate?

USB 3.0

commonly used to connect CRT monitors in older systems

VGA

Smartphones include all of the following EXCEPT

a mouse

Which of the following is NOT an example of data?

a report

A(n) () measures the amount of movement in any direction so that they can detect shaking or rotation

accelerometer

Computers store information in (), which is difficult, if not impossible for humans to read

binary

Computers use () language to process data at the most basic level

binary

The () numbering system uses base 2

binary

numbering system that uses 0 and 1

binary

Bit is short for

binary digit

Computers work only with

binary numbers

0 or 1

bit

A binary digit is referred to as a

bit

Using (), a smartphone can connect to an automobile audio/control system

bluetooth

8 binary digits

byte

In a computer, each ____ can represent one letter, number, or symbol.

byte

services allow you to keep your files on the internet so you can access your files from any computer

cloud

The representation of a fact, figure, or idea is called

data

()numbers are used in place of binary numbers because binary numbers are difficult to read

decimal

-people normally use this numbering system

decimal

In the () numbering system, each place value digit is ten times greater than the digit to its right

decimal

Which of the following numbering systems is ordinarily used by people?

decimal

The most common output device for soft output is a

display screen

Which of the following can be both an input and output device?

display screen

Which of the following ports are used to connect a computer to a cable modem or to a network?

ethernet

used to connect a computer to a network

ethernet

You can increase the number of USB ports on your computer by adding a

expansion hub

A high capacity () hard drive is a viable, portable option for backing up the data on your computer's primary hard drive.

external

memory cards are removable storage devices that let you transfer digital data to a computer

flash

Ergonomics is an important consideration

for all computing devices

In reference to measurement, GB stands for

gigabyte

Which of the following is NOT found on a motherboard?

hard drive

()usually have the largest storage capacity of any storage device inside the computer.

hard drives

Processor speeds are measured in units of

hertz

machine cycles per second

hertz

numbering system that uses base 16

hexadecimal

All of the following are sensors found in certain smartphones EXCEPT

hygrometer

Data that has been organized is called

information

___ printers work by spraying tiny drops of ink onto paper

inkjet

The two major mobile operating system on the market are () and Android

ios

In reference to units of measurement, KB stands for

kilobyte

What type of printer heats toner to adhere it to the paper?

laser

Which of the following is the smallest unit of measure?

megabyte

greater than a kilobyte, smaller than a gigabyte

megabyte

Some smartphones support additional memory through ()

micro SD flash cards

Data and Information are () interchangeable terms

not

Blu-ray and DVDs are referred to as () media.

optical

Which of the following is the largest unit of measure?

petabyte

are the places that peripheral devices attach to the computer

ports

Which of the following functions of a computer is most responsible for turning data into information?

processing

Which of the following is one of the four major functions of a computer?

processing

Which power control option performs a warm boot?

restart

The number of pixels that can be displayed on the screen at one time is known as what?

screen resolution

apple's artificial intelligent assistant

siri

pointing device

stylus

more than one trillion bytes

terabyte

In the RGB system, when all three component colors are set to zero, what is the result?

the resulting color is pitch black

A kilobyte contains approximately one () bytes of data

thousand

An () drive is also referred to as a jump drive, USB drive, or flash drive

thumb drive

Touch-screen devices usually feature ____keyboards

virtual

Google Assistant and Apple's Siri use () to assist smartphone users

voice recognition


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