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Microprocessor

Microprocessor
Which of the following instruction is not possible in 8085?

 POP B
 POP PSW
 POP D
 POP 30 H

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Microprocessor
Identify the programmable DMA controller from the following

 8257
 8253
 8251
 8279

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Microprocessor
Which of the following is not a general purpose peripheral?

Programmable interrupt controller
I/O port
Programmable interval timer
Programmable CRT controller

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Microprocessor
Which one of the following statement is false?

 A microprocessor has bi-directional data bus
 A microprocessor has an ALU
 A microprocessor has bi-directional address bus
 A microprocessor has unidirectional address bus

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Microprocessor
A bus connected between the CPU and main memory that permits transfer of information between main memory and the CPU is known as

 Address bus
 Memory bus
 Control bus
 DMA bus

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Microprocessor
Output of the assembler in machine codes is referred to as

 Object program
 Macroinstruction
 Source program
 Symbolic addressing

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