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Microprocessor

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

True
False

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Microprocessor
When the write enable input is not asserted, the gated D latch _________ its output.

Complements
Can not change
Sets
Clears

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Microprocessor
The content of the A15-A8 (higher order address lines) while executing “IN 8-bit port address” instruction are

 all bits reset (i.e. 00H)
 same as the content of A7-A0
 all bits set (i.e. FFH)
 irrelevant

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

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Microprocessor
How many segments are there in 8086?

 2.
 4.
 3.
 6.

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Microprocessor
In 8085, the pins for SID and SOD are

3 and 4 respectively
4 and 5 respectively
4 and 3 respectively
5 and 4 respectively

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