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Microprocessor

Microprocessor
In Fortran 77 a variable name can contain special characters.

True
False

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Microprocessor
Number of Hex digits needed to represent the 20-bit address of a memory location are

 5
 16
 20
 4

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Microprocessor
Which of the data transfer is not possible in microprocessor

 accumulator to memory
 memory to accumulator
 I/O device to accumulator
 memory to memory

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

Can not change
Complements
Sets
Clears

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Microprocessor
A microprocessor differentiates between op code, data/address at any time by

 the stack pointer
 the sequence in which memory contents are fetched by it
 its internal registers
 the program counter

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Microprocessor
While CMP B instruction executes,

 only carry flag will be affected.
 all flags will be affected.
 no flags will be affected.
 only carry and zero flags will be affected.

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