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Microprocessor

Microprocessor
A microprocessor with a 12-bit address bus will be able to access

 10 K bytes
 4 K bytes
 8 K bytes
 1 K bytes

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Microprocessor
________used to implement the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by setting various bits to form masks or generate output data via the Serial Output Data (SOD) line.

 DI
 EI
 RIM
 SIM

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Microprocessor
In one’s complement 8 bit representation 11111111 represents

+0
-1
-0
1

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Microprocessor
Because we wish to allow each ASCII code to occupy one location in memory, most memories are __________ addressable.

BYTE
DOUBLEWORD (32 bits)
NIBBLE
WORD (16 bits)

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Microprocessor
Circuit A is a 1-bit adder; circuit B is a 1 bit multiplier.[Hint: Construct the truth table for the adder and the multiplier]

Circuit A has more gates than circuit B
Circuit A has the same number of gates as circuit B
Circuit B has more gates than circuit A
None of these

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Microprocessor
What is mean by ALU

 Arithmetic local unsigned
 Arithmetic logic upgrade
 Arithmetic logic unsigned
 Arithmetic logic unit

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