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Microprocessor

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

 PAL
 PLD
 PROM
 PLA

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Microprocessor
Let the content of register C be 00000000 before the instruction DCR C is executed. The content of register C after the after the execution of this instruction will be

 11111111
 00000000
 00000001
 None

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Microprocessor
A number of 1-bit registers used in microprocessors to indicate certain conditions are usually referred to as

 flags
 shift registers
 latches
 counters

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

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

 128.
 32.
 16.
 64.

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Microprocessor
The execution of RST n instruction causes the stack pointer to

 decrement by two
None of these
 remain unaffected
 increment by two

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