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Microprocessor

Microprocessor
An e-mail message can be sent to many recipients.

True
False

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Microprocessor
In an 8085 microprocessor based system, the contents of SP are 1000H, PUSH B instruction will transfer the contents of registers B & C respectively for memory locations

 0FFE H and 0FFF H
 1000 H and 0FFF H
 1000 H and 1001 H
 0FFF H and 0FFE H

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Microprocessor
The stack pointer

 resides in ROM
 resides in microprocessor
 resides in RAM
 may be in RAM or ROM

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Microprocessor
‘Burst refresh’ in DRAM is also called

Distributed refresh
None of these
Hidden refresh
Concentrated refresh

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Microprocessor
Which of the following interrupt is both level and edge sensitive?

 TRAP
 RST 5.5
 RST 7.5
 INTR

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

 RRC
 RAL
 RAR
 RLC

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