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Microprocessor

Microprocessor
Maximum of how many devices can be connected simultaneously to the microprocessor via 8257 in DMA data transfer mode?

 4
 8
 10
 6

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Microprocessor
In C the keywords are also called

Reserved words
Special words
Character words
Class words

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Microprocessor
An I/O processor controls the flow of information between

Main memory and I/O devices
Cache memory and I/O devices
Two I/O devices
Cache and main memory

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Microprocessor
The character set of Fortran 77 includes lower case alphabets a to z.

False
True

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Microprocessor
In 8086 the number of bytes which can be addressed directly is about

1000
one million
100000
10000

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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 + EC
 IC = FC + 2EC

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