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Microprocessor

Microprocessor
In 8086 the number of bytes which can be addressed directly is about

1000
10000
one million
100000

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Microprocessor
An e-mail message can be sent to many recipients.

False
True

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Microprocessor
Let the content of register C be 00000000 before the instruction DCR C is executed. The content of register C after the after the execution of this instruction will be

 00000001
 00000000
 11111111
 None

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Microprocessor
Consider the following registers: 1. Accumulator and flag register 2. B and C register 3. D and E register 4. H and L register Which of these 8-bit registers of 8085 microprocessor can be paired together to make a 16-bit register?

 1, 2 and 4
 1, 3 and 4
 1, 2 and 3
 2, 3 and 4

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Microprocessor
In 8085 microprocessor, in response to RST 7.5 interrupts the execution is transferred to memory location

 002CH
 0000H
 0034H
 003CH

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Microprocessor
If m is a power of 2, the number of select lines required for an m-input mux is:

2*m
2^m
m
log2 (m)

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