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Microprocessor

Microprocessor
Pick out the matching pair

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

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Microprocessor
Each instruction in an assembly language program has the following fields 1. Label field 2. Mnemonic field 3. Operand field 4. Comment field What are the correct sequence of these fields?

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

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

234
45 H
64 H
6 AFH

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Microprocessor
A microprocessor with a 12-bit address bus will be able to access

 8 K bytes
 1 K bytes
 10 K bytes
 4 K bytes

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Microprocessor
________used to implement the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by setting various bits to form masks or generate output data via the Serial Output Data (SOD) line.

 DI
 RIM
 EI
 SIM

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Microprocessor
RST0 - RST7 are the __________ in 8085.

 logical interrupts
 hardware interrupts
 conditional interrupts
 software interrupts

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