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Microprocessor

Microprocessor
Which of the following is not treated as hexadecimal constant by assembler in 8085?

234
45 H
6 AFH
64 H

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Microprocessor
When any data transfer instruction, to transfer the data from memory to microprocessor, is executed the condition flags are

 not affected
 always set
 always reset
 affected indicating specific conditions

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Microprocessor
Consider the following registers: 1. Accumulator and flag register 2. B and C register 3. D and E register 4. H and L register Which of these 8-bit registers of 8085 microprocessor can be paired together to make a 16-bit register?

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

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Microprocessor
‘Burst refresh’ in DRAM is also called

None of these
Hidden refresh
Concentrated refresh
Distributed refresh

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

 RLC
 RAR
 RAL
 RRC

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Microprocessor
MS Access is a DBMS software.

True
False

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