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Microprocessor

Microprocessor
Register pair used to indicate memory

 W and Z
 D and E
 B and C
 H and L

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Microprocessor
The word size of 8085 microprocessor is

 8-bit
 16-bit
 4-bit
 20-bit

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Microprocessor
Identify the programmable interval timer from the following

 8252
 8279
 8253
 8275

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

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Microprocessor
Which of the data transfer is not possible in microprocessor

 memory to memory
 I/O device to accumulator
 memory to accumulator
 accumulator to memory

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Microprocessor
Which one of the following statement is false?

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

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