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Microprocessor

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

False
True

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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?

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

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Microprocessor
Identify the non-maskable interrupt from the following

 RST 5.5
 RST 7.5
 RST 4.5
 RST 6.5

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Microprocessor
Assertion(A): Address bus is unidirectional. Reason(R): Data bus is bidirectional

 A is true but R is false
 Both A & R are true but R is not the correct explanation of A
 A is false but R is true
 Both A & R are true and R is the correct explanation of A

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Microprocessor
The clock speed of 8085 is

 1KHz.
 3.2MHz.
 3.2KHz.
 1MHz.

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Microprocessor
An I/O processor controls the flow of information between

Cache and main memory
Cache memory and I/O devices
Two I/O devices
Main memory and I/O devices

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