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Microprocessor

Microprocessor
Pick out the matching pair

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

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

True
False

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Microprocessor
DMA signal/signals in 8085 is/are

 READY.
 HLDA.
 HOLD.
 All.

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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

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

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Microprocessor
I)A total of about one million bytes can be directly addressed by the 8086 microprocessor II)8086 has thirteen 16-bit registers III)8086 has eight flags IV)Compared to 8086, the 80286 provides a higher degree of memory protection Which one of the statements given above are correct?

 1,2 & 3
 1,3 &4
 2,3&4
 1,2 & 4

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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
 It has to fetch two 8-bit data at a time
 It counts 16-bits at a time
 There are 16 address lines

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