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Microprocessor

Microprocessor
A structure that stores a number of bits taken “together as a unit” is a

Mux
Register
Decoder
Gate

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Microprocessor
The ROM programmed during manufacturing process itself is called

 PROM
 EPROM
 EEPROM
 MROM

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

 DCX Rp
 ORA R
 DCR R
 XRA R

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Microprocessor
Let the content of register C be 00000000 before the instruction DCR C is executed. The content of register C after the after the execution of this instruction will be

 00000000
 00000001
 None
 11111111

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Microprocessor
Bus Interface Unit (BIU) in 8086 performs the following functions:

 Arithmatic and Logic operations.
 Instruction fetch.
 All the above.
 Instruction decoding.

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Microprocessor
Length of the instruction POP D is

 2 byte
 4 byte
 3 byte
 1 byte

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