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Microprocessor

Microprocessor
Pick out the matching pair

 READY; RIM
 S0;S1;wait status
 HOLD; DMA
 SID; SIM

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Microprocessor
Which instruction is required to rotate the content of accumulator one bit right along with carry?

 RAL
 RRC
 RAR
 RLC

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Microprocessor
DMA signal/signals in 8085 is/are

 READY.
 All.
 HLDA.
 HOLD.

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Microprocessor
The operations executed by two or more control units are referred as

 Micro-operations
 Macro-operations
 Multi-operations
 Bi control-operations

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Microprocessor
The program counter in a 8085 micro-processor is a 16-bit register, because

 It facilitates the user storing 16-bit data temporarily
 There are 16 address lines
 It has to fetch two 8-bit data at a time
 It counts 16-bits at a time

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Microprocessor
In a C expression using assignment operators, relational operators and arithmetic operators, the hierarchy of operations (in the absence of parenthesis) is

Relational, assignment, arithmetic
Assignment, relational, arithmetic
Arithmetic, relational, assignment
Arithmetic, assignment, relational

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