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Microprocessor

Microprocessor
In a computer the data transfer between hard disk and CPU is nearly the same as that between diskette and CPU.

True
False

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Microprocessor
The stack is nothing but a set of

None of these
 reserved ROM address space
 reserved I/O address space
 reserved RAM address space

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Microprocessor
A mask programmed ROM is

 programmed by the user
 erasable and programmable
 erasable electrically
 programmed at the time of fabrication

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Microprocessor
Total number of instructions in 8085 microprocessor assembly language is

 246
 245
 244
 247

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Microprocessor
The program counter in a 8085 micro-processor is a 16-bit register, because

 It has to fetch two 8-bit data at a time
 There are 16 address lines
 It facilitates the user storing 16-bit data temporarily
 It counts 16-bits at a time

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

 1280ns
 960ns
 640ns
 320ns

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