2 Test
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
BLANK display color uses the least electricity when compared to any other color.
BLACK
BLANK is a wireless transmission standard that lets you connect mobile computing devices to peripheral devices over short distances.
Bluetooth
Processes commands issued by software instructions
CPU
The "brains" of the computer is the .
CPU
Dropbox is an example of ________.
Cloud storage
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
Represents a fact, figure, or idea
Data
What is the difference between data and information?
Data represents a fact. Information is data that has been organized.
A ________ is the biggest power consumer on a computer.
Display
________ computers are specially designed computer chips that reside inside other devices, such as a car.
Embedded
T/F All printers can print from smartphones and tablets.
F
Which computer port transmits audio and video without the need for compression? HDMI RGA VGA USB
HDMI
BLANK is a power-saving mode that stores data to a computer's hard drive instead of to its memory.
Hibernate
Used to insert data
Inpute devices
To connect a peripheral device to a computer to exchange data, find the appropriate ________ for the device.
Port
Standard keyboard layout
QWERTY
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
Stores programs and data the computer is currently using
RAM
The computer stores currently used programs and data in ________.
RAM
Holds start up instructions needed whent he computer is powered on
ROM
The area that holds all the startup instructions the computer needs to start is ________.
ROM
Which of the following is NOT an example of nonvolatile storage? DVD Flash Drive RAM Hard Drive
Ram
BLANK mode puts the computer in low power usage, but keeps programs in RAM.
SLEEP
A desktop computer's BLANK is the case that houses the main components of the computer and where peripheral devices connect.
SYSTEM UNIT
BLANK is the set of computer programs that allows the hardware to perform different tasks.
Software
Flash drives plug into a(n) ________.
USB port
RAM is a ________ storage location.
Volatile
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 width-to-height proportion of a monitor is known as the
aspect ratio
Computers use a ________ language consisting of 0s and 1s.
binary
A BLANK is approximately 1000 bytes
kilobyte
________ printers use static electricity and toner and heat set the image on the page very quickly.
laser
An SD card is an example of blank
memory card
________ is concerned with the design and arrangement of machines and furniture to avoid uncomfortable or unsafe experiences.
Ergonomics
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 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 The fastest super computer in the world has 9,000,000 computing cores.
F
T/F The terms data and information can be used interchangeably.
F
T/F Today's CPUs run at speeds measured in kilohertz.
F
T/F Game controllers are output devices.
F
Smallest to largest bytes
Kilo Mega Giga Tera Peta
The most common type of monitor for laptops and desktop computers is a(n) ________.
LCD liquid crystal display
Which of the following is the smallest unit of measure? TB PB MB GB
MG
The ________ contains the central electronic components of the computer.
Motherboard
BLANK is a technology most frequently used for credit and debit card processing.
NFC
A ________ enables your computer to connect to other computers or to the Internet.
Network interface card NIC
More energy efficient than LCD monitors
OLED
A(n) ________ is an input device that looks like a pen.
Stylus
A(n) BLANK is a computer that is designed to execute a few programs extremely rapidly.
Supercomputer NOT Embedded
T/F A smartphone is a type of computer.
T
T/F Information is data that has been organized or presented in a meaningful fashion.
T
T/F Laser printers are usually faster at printing in black and white than inkjet printers.
T
T/F On a keyboard, Num Lock and Caps Lock are both toggle keys.
T
T/F Processing is manipulating, calculating, or organizing data into information.
T
T/F The operating system controls how your computer functions.
T
T/F Keyboards that display on-screen when text input is required are known as virtual keyboards.
T
Which port is the most common port used to connect input and output devices to a computer?
Universal serial bus (USB)
In binary language, each letter of the alphabet, each number, and each special symbol is made up of a unique combination of eight ________.
bits
CD, DVD and BLANK discs are examples of optical storage
blu-ray
Which of the following optical storage media has the greatest storage capacity? DVD DL Blu-ray CD DD
blu-ray
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
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
Joysticks and steering wheels are examples of BLANK controllers.
game
All of the following are names for a flash drive EXCEPT ________ drive. USB jump hard thumb
hard
physical components of a computer
hardware
data organized in a meaningful way
information
The two main categories of home and office printers are ________ and laser printers.
inkjet
A keyboard and touch screen are the most common of ________ devices.
input
Microphones and scanners are examples of BLANK devices.
input
min circuit board containing the central electronic components
motherboard
The length of time it takes for a processor to request, locate, open and deliver information stored in RAM is measured in
nanoseconds
A(n) BLANK microphone picks up sounds coming from all directions at once and is well suited for conference calls.
omnidirectional
Apple's macOS and Microsoft Windows are examples of ________ software.
operating system
displays processed data
output device
A(n) BLANK device is a component, such as a keyboard, that connects to the computer.
peripheral NOT input
external device that exchanges data with the computer through ports
peripheral device
Monitors display images by using a grid made up of millions of tiny dots, called
pixels
turning data into information
processing
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
computer programs
software
Each pixel on the newest 4K resolution TVs and monitors is actually made up of four yellow, red, blue, and green
sub-pixels
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
case that houses the electronic components
system unit
An Apple iPad and a Microsoft Surface are examples of ________ computers.
tablet
Display screens that respond to commands initiated with your finger or a stylus are called BLANK screens.
touch
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