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Microprocessor

Microprocessor
Identify the non-maskable interrupt from the following

 RST 4.5
 RST 6.5
 RST 7.5
 RST 5.5

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Microprocessor
A microcomputer consists of

 memory
All of these
 a microprocessor
 I/O device

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Microprocessor
In microprocessor based system DMA refers to

 direct memory access for microprocessor
 direct memory access for the I/O device
None of these
 direct memory access for the user

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Microprocessor
The content of the A15-A8 (higher order address lines) while executing “IN 8-bit port address” instruction are

 irrelevant
 all bits set (i.e. FFH)
 same as the content of A7-A0
 all bits reset (i.e. 00H)

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Microprocessor
The clock speed of 8085 is

 1MHz.
 1KHz.
 3.2KHz.
 3.2MHz.

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Microprocessor
What is used to access 16-bit data in 8086?

 Data Banking.
None of these
 Pipeline architecture.
 Memory Banking.

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