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Microprocessor

Microprocessor
In a computer the data transfer between hard disk and CPU is nearly the same as that between diskette and CPU.

True
False

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Microprocessor
How many T-states are required for execution of OUT 80H instruction?

 7
 16
 10
 13

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Microprocessor
Pick up the programmable interrupt controller from the following

 8275
 8259
 8279
 8257

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Microprocessor
The relation among IC (Instruction Cycle), FC (Fetch cycle) and EC (Execute Cycle) is

 IC = FC - EC
 IC = FC + EC
 EC = IC + FC
 IC = FC + 2EC

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Microprocessor
Identify the communication interfacing device from the following

 8155
 8251
 8255
 8257

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

Mux
Decoder
Gate
Register

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