and 3 Exam Questions and Answers
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Computer - ✔✔gathers data, processes data into information, outputs and
stores data and information
Data - ✔✔a representation of a fact, a figure, or an idea (number, word, picture,
sound)
Information - ✔✔data that has been organized or presented in a meaningful
fashion
Processing - ✔✔manipulating, calculating or organizing data into information
Binary language - ✔✔language of computers, consists of only 0 and 1
Binary digit: - ✔✔each 1 and 0
o Byte - ✔✔: binary digits
What the computer uses to represent the data and information that it inputs
and outputs
o Kilobyte (KB): - ✔✔1000 bytes
o Megabyte - ✔✔1 million bytes
o Gigabyte(GB) - ✔✔1 billion bytes
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, Terabyte - ✔✔1 trillion bytes
Hardware - ✔✔any part of the computer you can touch
Software - ✔✔set of computer programs that enables the hardware to perform
different tasks
Application software - ✔✔set of programs used to write a paper for example
System software - ✔✔set of programs that enables your computer's hardware
devices and application software to work together
Netbook - ✔✔small notebook computer 7 to 10 inches wide with a longer
battery life
Operating system (OS): - ✔✔the program that controls the way in which your
computer system functions - manages the hardware of the computer system
Notebook computer or laptop - ✔✔portable computer that is powered by
batteries - keyboard, monitor and other devices integrated into a single
compact case
Tablet PC - ✔✔similar to notebook but has a touch sensitive screen that can
swivel and fold flat
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