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Microprocessor

Microprocessor
Total number of modes the 8253 can work

 6
 4
 8
 12

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Microprocessor
A real number consists of

Integer part
None of these
Integer part and fraction part
Integer part, fraction part along with positive or negative sign

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Microprocessor
The 8085 microprocessor enters into bus idle machine cycle whenever

 DAD RP instruction is executed
 INTR interrupt is recognized
None of these
 RST 7.5 is recognized

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Microprocessor
The minimum number of transistors required to implement a two input AND gate is

4
6
2
8

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Microprocessor
In microprocessor based system DMA refers to

 direct memory access for the I/O device
 direct memory access for the user
None of these
 direct memory access for microprocessor

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

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

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MORE MCQ ON Microprocessor

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