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Microprocessor

Microprocessor
An e-mail message can be sent to many recipients.

False
True

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

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

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Microprocessor
After RESET 8255 will be in

 mode 2
 unchanged condition
 mode 0; all ports are input
 mode 0; all ports are output

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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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Microprocessor
For the number A[15:0] = 0110110010001111, A[14:13] is ______ A[3:2].

The same as
Greater than
Cannot be determined
Less than

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Microprocessor
DMA signal/signals in 8085 is/are

 HOLD.
 READY.
 HLDA.
 All.

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