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Tally Computer

A computer is an advanced electronic device that processes raw data input according to a set of instructions and produces output, which can also be stored for future use. It performs four main functions: accepting data, processing it, producing output, and storing results. A computer system consists of hardware, software, and the user, where hardware includes all physical components, software consists of programs, and the user is the operator of the computer.

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8 views1 page

Tally Computer

A computer is an advanced electronic device that processes raw data input according to a set of instructions and produces output, which can also be stored for future use. It performs four main functions: accepting data, processing it, producing output, and storing results. A computer system consists of hardware, software, and the user, where hardware includes all physical components, software consists of programs, and the user is the operator of the computer.

Uploaded by

pcswork0532
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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Computer Fundamentals What is Computer?

Computer is an advanced electronic device


that takes raw data as input from the user and processes these data under the control of
set of instructions (called program) and gives the result (output) and saves output for the
future use. It can process both numerical and non-numerical (arithmetic and logical)
calculations. A computer has four functions: a. accepts data Input b. processes data
Processing c. produces output Output d. stores results Storage Input (Data): Input is the
raw information entered into a computer from the input devices. It is the collection of
letters, numbers, images etc. Process: Process is the operation of data as per given
instruction. It is totally internal process of the computer system. Output: Output is the
processed data given by computer after data processing. Output is also called as Result.
We can save these results in the storage devices for the future use. Computer System All of
the components of a computer system can be summarized with the simple equations.
COMPUTER SYSTEM = HARDWARE + SOFTWARE+ USER • Hardware = Internal Devices +
Peripheral Devices All physical parts of the computer (or everything that we can touch) are
known as Hardware. • Software = Programs Software gives "intelligence" to the computer. •
USER = Person, who operates computer.

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