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Microprocessor

Microprocessor
What is the size (in bytes) of Prefetch queue in 8086?

 3.
 6.
 2.
 4.

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Microprocessor
IC 7485 cannot be cascadeD.

True
False

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Microprocessor
The address bus width of a microprocessor which is capable of addressing 64 Kbytes of the memory is

 16
 12
 20
 8

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

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

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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

 Memory bus
 Address bus
 DMA bus
 Control bus

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Microprocessor
The 8085 microprocessor enters into bus idle machine cycle whenever

 RST 7.5 is recognized
 INTR interrupt is recognized
None of these
 DAD RP instruction is executed

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