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Microprocessor

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

 5
 16
 20
 4

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Microprocessor
How many 16-bit special purpose registers are present in 8085 microprocessor?

 2
 6
 8
 16

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Microprocessor
Using one 8259 IC is equivalent to providing …………. INTR pins on 8085

 8
 12
 16
 18

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Microprocessor
Of the following circuits, the one which involves storage is

Decoder
Nand
RS Latch
Mux

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Microprocessor
A microprocessor with a 12-bit address bus will be able to access

 8 K bytes
 10 K bytes
 4 K bytes
 1 K bytes

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Microprocessor
‘Burst refresh’ in DRAM is also called

Concentrated refresh
Hidden refresh
Distributed refresh
None of these

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