well come susandhi fellows 2-3-12 friday

Well-come to susandhi fellows

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.

Working of computer

cpu

converter

input

converter

output memory

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. 

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.

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.

softwere

•It is a set programs. •You cannot touch softwere.•Ex:1)system softwere.•2) application softwere.•3)utility softwere.

hardware

•Physical components of computer is called computer.

•Example:• 1)cpu.• keyboard.•Mouse.•Printer.

Parts of computer

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.

•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.

Thank you