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Microprocessor

Microprocessor
In a computer the data transfer between hard disk and CPU is nearly the same as that between diskette and CPU.

False
True

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Microprocessor
Bus Interface Unit (BIU) in 8086 performs the following functions:

 Arithmatic and Logic operations.
 Instruction fetch.
 All the above.
 Instruction decoding.

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Microprocessor
The addressing mode in instruction PUSH B is

 immediate
 register indirect
 direct
 register

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Microprocessor
Consider the following statements: Arithmetic Logic Unit (ALU) 1.Performs arithmetic operations 2.Performs comparisons. 3.Communicates with I/O devices 4.Keeps watch on the system Which of these statements are correct?

 1, 2 and 3
 1 and 2 only
 3 and 4 only
 1, 2, 3 and 4

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Microprocessor
During OPCODE fetch the state of S0 and S1 is

 10
 00
 01
 11

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Microprocessor
Circuit A is a 1-bit adder; circuit B is a 1 bit multiplier.[Hint: Construct the truth table for the adder and the multiplier]

Circuit A has the same number of gates as circuit B
Circuit A has more gates than circuit B
Circuit B has more gates than circuit A
None of these

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