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Microprocessor

Microprocessor
Which of the following is type declaration statement in C?

int bar
king = horse + 1
s = s + 1
prin = prin * prin

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Microprocessor
Using one 8259 IC is equivalent to providing …………. INTR pins on 8085

 12
 16
 8
 18

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Microprocessor
An I/O processor controls the flow of information between

Two I/O devices
Cache memory and I/O devices
Cache and main memory
Main memory and I/O devices

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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?

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

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Microprocessor
In a computer the data transfer between hard disk and CPU is nearly the same as that between diskette and CPU.

False
True

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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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