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Microprocessor

Microprocessor
The number of hardware interrupts present in 8085 microprocessor are

 10
 5
 16
 8

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Microprocessor
Bus Interface Unit (BIU) in 8086 performs the following functions:

 Arithmatic and Logic operations.
 Instruction decoding.
 Instruction fetch.
 All the above.

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Microprocessor
In a C expression using assignment operators, relational operators and arithmetic operators, the hierarchy of operations (in the absence of parenthesis) is

Arithmetic, assignment, relational
Arithmetic, relational, assignment
Relational, assignment, arithmetic
Assignment, relational, arithmetic

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

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Microprocessor
The characteristics of RESET OUT signal is/are

 this signal can be used to reset other devices.
 indicates that µp is being reset.
 all.
 the signal is synchronized to the processor clock.

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Microprocessor
Consider the following statements: In 8085 microprocessor, data-bus and address bus are multiplexed in order to I)Increase the speed of microprocessor. II)Reduce the number of pins. III)Connect more peripheral chips. Which of these statements is/are correct?

 (II) only
 (II) & (III)
 (I), (II) & (III)
 (I) only

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