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Microprocessor

Microprocessor
Total number of modes the 8253 can work

 6
 8
 4
 12

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Microprocessor
Both the ALU and control section of CPU employ which special purpose storage location?

 Accumulators
 Decoders
 Buffers
 Registers

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Microprocessor
A 37 bit mantissa has an accuracy of

11 decimal places
6 decimal places
10 decimal places
8 decimal places

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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
Which one of the following statement is false?

 A microprocessor has an ALU
 A microprocessor has unidirectional address bus
 A microprocessor has bi-directional address bus
 A microprocessor has bi-directional data bus

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Microprocessor
In 8085 microprocessor which one of the following statement is wrong

 serial I/O is not possible
 there is a pin available for serial input
 there is a pin available for serial output
 serial I/O is possible through SIM and RIM instruction

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