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Introduction In Computer Science, the term software means a set of instructions in the form of a program to control

Introduction Input-Output devices are very important component of computer system. Here we will discuss about Input-Output devices of computer system.

Optical Memory Optical memories or Optical disks are alternate mass storage devices with huge capacity [up to 20 GB]. Higher

Semiconductor [Main] Memory All computers except very small computers contain both semiconductors as well as magnetic memory. All modern computers

Introduction The data and instructions which are entered into the computer system through input devices [keyboard, mouse, etc.] have to

Introduction Computer is the most powerful tool man has ever created. Computers are used in almost every working place in