Download - Well come susandhi fellows 2-3-12 friday
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Well-come to susandhi fellows
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Meaning of computer
•Technically, a computer is a programmable machine.
•This means it can execute a programmed list of instructions and respond to new instructions .
•It is a electronic machine.
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Working of computer
cpu
converter
input
converter
output memory
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Working of computer
•Easy, if you don't, it will be hard to control.
•Computers were never built to control us even though that is how it appears.
• Their creation was just another tool God gave man to use to benefit society.
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input
•It means of communication between the computer and user.
•It enters data from programs to computer.•It solve any problem.•Example: keyboard,mouse, scanner.
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output
•This unit gives out the processed data in user readable form.
•The result seen on the on monitor is referred as softcopy and then result printed form on a paper as hardcopy.
•Example: printer, monitor, speaker.
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softwere
•It is a set programs. •You cannot touch softwere.•Ex:1)system softwere.•2) application softwere.•3)utility softwere.
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hardware
•Physical components of computer is called computer.
•Example:• 1)cpu.• keyboard.•Mouse.•Printer.
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Parts of computer
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Fuction
•CPU: it is central processing unit.•Data fed into before system before the
acual processing starts.•CD: it is compact disk.•It have 700 MB.•DVD: it is digital versatile disk.•It have 4.7 gb.•It is high capacity disk.
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•RAM: random access memory.•It is temporary device. •ROM: read only memory.•It is permanent device.•Modem: it helps to connect the internet.•Mouse: it is move cursor one place to
place.•It is open the file, folder.
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Thank you