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Microprocessor

Microprocessor
The clock speed of 8085 is

 3.2KHz.
 3.2MHz.
 1KHz.
 1MHz.

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Microprocessor
Which one of the following instruction may be used to clear the accumulator content irrespective of its initial value?

 CLR A
 ORA A
 SUB A
 MOV A, 00H

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Microprocessor
The maximum number of seven segment displays that can be connected to 8279 is

 18
 12
 16
 8

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Microprocessor
For the number A[15:0] = 0110110010001111, A[14:13] is ______ A[3:2].

Cannot be determined
Greater than
The same as
Less than

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Microprocessor
While INX B instruction execute,

 only carry and zero flags will be affected
 only carry flag will be affected
 no flags will be affected
 all flags will be affected

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Microprocessor
A bus connected between the CPU and main memory that permits transfer of information between main memory and the CPU is known as

 Control bus
 Address bus
 Memory bus
 DMA bus

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