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Microprocessor

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

 2.
 6.
 3.
 4.

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Microprocessor
Which instruction is required to rotate the content of accumulator one bit right along with carry?

 RAR
 RAL
 RRC
 RLC

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Microprocessor
In C the keywords are also called

Class words
Character words
Reserved words
Special words

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Microprocessor
Identify the communication interfacing device from the following

 8155
 8255
 8257
 8251

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

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

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Microprocessor
Which components are NOT found on chip in a microprocessor but may be found on chip in a microcontroller?

 SRAM, EPROM & PORTS
 EPROM & PORTS
 EPROM, USART & PORTS
 SRAM & USART

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