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Microprocessor

Microprocessor
A combinational PLD with a fixed AND array and a programmable OR array is called a

 PROM
 PLD
 PAL
 PLA

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

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Microprocessor
The clock speed of 8085 is

 3.2MHz.
 1KHz.
 3.2KHz.
 1MHz.

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Microprocessor
Which one of the following interrupt/interrupts is/are only level triggering?

 both ‘a’ and ‘b’
 TRAP
 RST 5.5
 RST 6.5

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Microprocessor
The length of bus cycle in 8086/8088 is four clock cycles, T1, T2, T3, T4 and an indeterminate number of wait state clock cycles denoted by Tw. The wait states are always inserted between

 T4 & T1
 T1 & T2
 T2 & T3
 T3 & T4

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Microprocessor
Which of the following is a valid integer constant?

127
125 + 3
127
127

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