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Microprocessor

Microprocessor
A 37 bit mantissa has an accuracy of

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

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

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

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

 5
 16
 4
 20

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

Implicit
Immediate
Register
Direct

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Microprocessor
Total number of instructions in 8085 microprocessor assembly language is

 245
 247
 246
 244

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Microprocessor
In an intel 8085A, which is the first machine cycle of an instruction?

 An I/O read cycle
 An op-code fetch cycle
 A memory read cycle
 A memory write cycle

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