INFO 160 Chapter 2
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
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
