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Microprocessor

Microprocessor
In one’s complement 8 bit representation 11111111 represents

-0
-1
+0
1

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Microprocessor
A microprocessor without the interrupt facility

 cannot be used for DMA operation
 is best suited for process control system
 is not useful for process control system
 cannot be interfaced with any I/O devices

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Microprocessor
During the execution of the instruction, the ________tests the status and control flags and updates them based on the results of executing the instruction.

 Execution Unit (EU)
 Both ‘c’ and ‘d’
 Bus Interface Unit (BIU)
 None of these

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Microprocessor
Total numbers of output pins in 8085 microprocessor are

 40
 30
 27
 13

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Microprocessor
During OPCODE fetch the state of S0 and S1 is

 11
 10
 01
 00

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Microprocessor
A microcomputer consists of

 a microprocessor
 memory
All of these
 I/O device

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