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Microprocessor

Microprocessor
Total numbers of output pins in 8085 microprocessor are

 13
 30
 27
 40

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Microprocessor
The program counter in a 8085 micro-processor is a 16-bit register, because

 It counts 16-bits at a time
 It facilitates the user storing 16-bit data temporarily
 It has to fetch two 8-bit data at a time
 There are 16 address lines

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Microprocessor
How many bytes in a zero memory page should be reserved for vectors used by RST instructions?

 64.
 32.
 16.
 128.

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Microprocessor
In one’s complement 8 bit representation 11111111 represents

-1
-0
+0
1

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Microprocessor
In 8085 which addressing mode is also called inherent addressing?

Implicit
Direct
Register
Immediate

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

 Accumulator
 Flag register
 Process status register
 Condition code register

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