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What does CPU stand for?
Central Processing Unit
What does the CPU do?
It receives information and carries out (follows) instructions.
An input unit...
provides the computer system with information.
An output unit...
communicates the results of the computer processing to the person using the device.
A keyboard is an example of:
 
An input unit
 
An output unit
Headphones are an example of:
 
An output unit
 
An input unit
Name an example of an output unit.
Speakers, headphones, a monitor, a projector, a printer
Name an example of an input unit.
A keyboard, a microphone, a webcam, a scanner, a touchscreen.
The temporary memory where computers only store information while they are being used is called...
Random-access memory (RAM)
All computers have:
 
all of these
 
a power source
 
input and output devices
 
a component to process information
You can use a pen drive to...
store information or data.
Name an example of a portable storage device.
An external hard drive or pen drive.
Cloud storage is used to store information on the...
internet.
Information can be stored or saved on the __________ of a computer.
 
hard drive
 
processing unit
 
operating system
BONUS: The smallest computer in the world is smaller than what food item?
A grain of rice
TRUE OR FALSE: The random-access memory of a computer stores information while the computer is off.
False. The random-access memory stores information only while the computer is being used.
TRUE OR FALSE: Headphones and printers are examples of input devices.
False. Headphones and printers are examples of output devices.
TRUE OR FALSE: Microphones and keyboards are examples of input devices.
True
BONUS: What is another name for a pen drive?
Flash drive, thumb drive, or jump drive.