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Microprocessor

Microprocessor
Which language could be used for programming an FPGA.

 VHDL
 Verilog
 Both A and B
 None

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Microprocessor
At the beginning of a fetch cycle, the contents of the program counter are

 transferred to address bus.
 incremented by one.
 transferred to memory data register.
 transferred to memory address register .

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Microprocessor
The number of hardware interrupts present in 8085 microprocessor are

 8
 10
 5
 16

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Microprocessor
Register pair used to indicate memory

 D and E
 W and Z
 B and C
 H and L

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Microprocessor
How many bytes in a zero memory page should be reserved for vectors used by RST instructions?

 16.
 64.
 32.
 128.

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Microprocessor
Which one of the following instruction may be used to clear the accumulator content irrespective of its initial value?

 SUB A
 CLR A
 MOV A, 00H
 ORA A

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