Hardware Development

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Input And Output

Output devices
• Can be:
• Hard copy device, to print on
paper / film (printer, plotter, computer
output to microfilm).
• Soft copy devices, shown in the form of
electronic signal on the soft media (video
display, speaker).
• Drive devices (disk drives, tape drives).

Input Device
can be :

Keyboard
Mouse
DLL

Central Processing Unit

CPU consists of:
CU (control unit) to manage and control all equipment in the computer system. Tool set when receive data input and processed and displayed. Pestle (arithmatic and logic unit) perform all arithmetic and calculation benchmarking. Register savings that have a small speed high, used to store data and instructions are processed. (IR: instruction register, PC: program counter for the address and general purpose register for data).