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Microprocessor

Microprocessor
Which of the following instruction will never affect the zero flag?

 DCR R
 ORA R
 XRA R
 DCX Rp

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Microprocessor
MS Access is a DBMS software.

False
True

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

 16
 18
 12
 8

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Microprocessor
Of the following circuits, the one which involves storage is

RS Latch
Decoder
Mux
Nand

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Microprocessor
Let the content of accumulator and register B be 0000 0100 and 0100 0000 respectively before execution of instruction SUB B. The content of accumulator after the execution of this instruction will be

 01000000
 11000100
 00000100
 010001000

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Microprocessor
For a memory with a 16-bit address space, the addressability is

16 bits
Cannot be determined
2^16 bits
8 bits

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