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Microprocessor

Microprocessor
Number of Hex digits needed to represent the 20-bit address of a memory location are

 16
 20
 5
 4

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Microprocessor
The number of output pins in 8085 microprocessors are

 27.
 19.
 40.
 21.

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Microprocessor
Assuming LSB is at position 0 and MSB at position 7, which bit positions are not used (Undefined) in flag register of an 8085 microprocessor?

 1, 3, 5
 1, 2, 5
 2, 3, 5
 1, 3, 4

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Microprocessor
The register which holds the information about the nature of results of arithmetic and logic operations is called as

 Condition code register
 Accumulator
 Flag register
 Process status register

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Microprocessor
The number of interrupt lines in 8085 is

2
4
3
5

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

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

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