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Computer General Knowledge UNITS OF CPU MCQS Notes

Computer General Knowledge UNITS OF CPU  MCQS Notes

ALU(ARTHMETIC AND LOGICAL UNIT)
ALU is a part of CPU. Actual execution of instructions takes place in this part. All arithmetic and logical operations are performed in ALU. It consists of two units:
1. Arithmetic Unit
It performs basic arithmetic functions such as addition, subtraction, division.
2. Logical Unit
It performs logical operations like comparing two data items to find which data item is greater than, equal to, or less than the other.
• CONTROL UNIT
It acts like a supervisor of the computer. It does not execute program instruction by itself. It controls and coordinates all activities of computer system.
• Memory Unit (MU)
It is responsible for storage of data and information. The memory unit consists of two types of memory which are RAM and ROM.

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