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ritesh solanky

· started a discussion

· 1 Months ago

kya kuch b diya h (Question: 15265.0 )

answer kuch diya h aur solution m kuch diya h. nashe m ho kya be..kuch b diye ja rhe ho.thoda to standard lao yaar

Question:
Which of the following are the two main components of the CPU? 
Options:
A) Control unit and registers

B) Registers and main memory 

C) Control Unit and ALU

D) ALU and bus

E) None of these

Solution:
Control Unit and ALU

Knowledge Expert

· commented

· 1 Months ago

Its control Unit and ALU.........

The Central Processing Unit (CPU) performs the actual processing of data. The data it processes is obtained, via the system bus, from the main memory. Results from the CPU are then sent back to main memory via the system bus. In addition to computation the CPU controls and co-ordinates the operation of the other major components. The CPU has two main components, namely:

The Control Unit -- controls the fetching of instructions from the main memory and the subsequent execution of these instructions. Among other tasks carried out are the control of input and output devices and the passing of data to the Arithmetic/Logical Unit for computation.
The Arithmetic/Logical Unit (ALU) -- carries out arithmetic operations on integer (whole number) and real (with a decimal point) operands. It can also perform simple logical tests for equality and greater than and less than between operands.
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