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All About a Computer and information Technology

Computer  Technology  All About a Computer A  mouse is  a device that controls the movement of the cursor or pointer on a display screen. A mouse is a small object you can roll along a hard, flat surface. Douglas Engelbart in 1868 became the father of the modern mouse. He developed a gadget made with a wooden base usingtwo wheels to roll back and forth. It was the first mouse that could fit into a user's hand. A keyboard is the set of typewriter-like keys used to enter data into a computer.Keyboards are similar to typewriter keyboards but contain additional keys.A computer is a programmable machine. Computers respond to a specific set of instructions in a well-defined manner and execute prerecorded instructions. A typical digital computer consists of: 1. A central processor unit (CPU) 2. A memory 3. Input/output (1/0) ports A bit (short for binary digit) is the smallest unit of data in a computer. A bit has a single binaryvalue, either 0 or 1....