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Home / Questions / What does the instruction PCHL in 8085 do A Load the program counter with contents of reg...

What does the instruction PCHL in 8085 do A Load the program counter with contents of register pair H L B Double the contents of register pair

What does the instruction 'PCHL' in 8085 do?

A. Load the program counter with contents of register pair H L
B. Double the contents of register pair H L
C. Shift the contents of register pair H L by one bit to the right
D. Shift the contents of register pair H L by one bit to left

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14.

In a multi-processor configuration two coprocessors are connected to host 8086 processor. The instruction sets of the two coprocessors

A. must be same
B. may overlap
C. must be disjoint
D. must be the same as that of host
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15.

Virus is a

A. computer hardware problem
B. an operating system
C. a computer program
D. a computer language
 

Jul 31 2020 View more View Less

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