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Microprocessor

Microprocessor
In 8085 microprocessor, the RST6 instruction transfer programme execution to following location

 0048H.
 0024H.
 0060H.
 0030H.

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

 4
 20
 5
 16

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Microprocessor
‘Burst refresh’ in DRAM is also called

None of these
Concentrated refresh
Distributed refresh
Hidden refresh

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Microprocessor
Each instruction in an assembly language program has the following fields 1. Label field 2. Mnemonic field 3. Operand field 4. Comment field What are the correct sequence of these fields?

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

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Microprocessor
The address bus width of a microprocessor which is capable of addressing 64 Kbytes of the memory is

 20
 16
 8
 12

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Microprocessor
The 8085 microprocessor uses a crystal of frequency 6.25 Mhz. The T-state value is

 960ns
 640ns
 320ns
 1280ns

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