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Microprocessor

Microprocessor
IC 7485 cannot be cascadeD.

True
False

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Microprocessor
Which one of the following statement is false?

 A microprocessor has unidirectional address bus
 A microprocessor has bi-directional address bus
 A microprocessor has an ALU
 A microprocessor has bi-directional data bus

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

one million
100000
10000
1000

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Microprocessor
Temporary registers in 8085 are

 W and Z.
 H and L.
 D and E.
 B and C.

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Microprocessor
Register pair used to indicate memory

 W and Z
 D and E
 B and C
 H and L

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Microprocessor
DMA is used between

 microprocessor and memory
 none
 microprocessor and I/O
 memory and I/O

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