basic information of computer

1. 8/20/2015
akash 1

2. Monitor: T.V. like screen used to show pictures
and
CPU: Central Processing Unit this is where
most of the computer ‘s calculations take
place. In terms of computing power . the
CPU is the most important element of a
computing.
Keyboard: This device is used to type
information into the computer and contain
numbers 0-9.
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3.  Computer Hardware is the physical part
of the computer system, the machinery
and equipment.
 Parts of the computer ” you can see”
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4.  A device that computer,
especially a programmable
electronic machine that
performs high-speed
mathematical or logical
operations or that assembles,
stores, correlates, or
otherwise processes
information.
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5. 1.computer
Hardware
2.computer
Software
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6.  Mouse: a small device, which you move
across the top of the desk to move the
pointer or cursor on the screen.
 Printer: used to make a paper copy of the
information into the computer.
 Image Scanner : an electronic device that
generates a digital representation of an
image for data input to a computer
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7.  Computer Software are programs that
tell the computer what to do.
examples
Microsoft Word-word processing program
Microsoft Powerpoint -presentation
program
Microsoft Excel-work book program used
to track, calculate, and analyze numeric
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8.  Computer Device that input information
in the computer
Examples
 Key Board
 Mouse
 Scanner
 Digital Camera
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9.  Computer Devices that output
information from the computer.
Examples
 Monitor
 printer
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10. What is a Computer
• Computer Hardware
• Examples of Computer Hardware
• Computer Software
• Computer Input Devices
• Computer Output Device
• General Understanding of how your computer
works
• Basic Computer Quiz
• Answers to Basic Computer Quiz
• Basic computer Terms and Definitions
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11. 8/20/2015akash 11

12. Memory is an essential component of a digital computer. It is
a storing device. It stores programs, data, results, etc. At
present the following two kinds of memory are commonly
used in modern computer.
• Semiconductor memory
• Magnetic memory
The semiconductor memory is faster, compact and lighter. It
consumes less power and is a static device, i.e. there is no
rotating part in it. The magnetic memory is cheaper than
static memory. It is in the from of magnetic disk or
magnetic tapes. The semiconductor memory is employed
as the main memory or primary memory of the computer.
It stores programs and data, which are currently needed
by the CPU. The magnetic memory is used as secondary
memory or auxiliary memory.
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