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Microprocessor

Microprocessor
The maximum number of seven segment displays that can be connected to 8279 is

 18
 12
 16
 8

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Microprocessor
How many machine cycles are required for execution of IN 30H instruction

 5
 4
 3
 6

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Microprocessor
If the number of address bits in a memory is reduced by 2 and the addressability is doubled, the size of the memory (i.e., the number of bits stored in the memory)

Increases by 2^(address bits)/addressability
Halves
Remains unchanged
Doubles

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Microprocessor
The minimum number of transistors required to implement a two input AND gate is

8
2
6
4

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Microprocessor
When any data transfer instruction, to transfer the data from memory to microprocessor, is executed the condition flags are

 not affected
 always reset
 affected indicating specific conditions
 always set

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Microprocessor
DMA is used between

 microprocessor and I/O
 none
 microprocessor and memory
 memory and I/O

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