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Microprocessor

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

 320ns
 1280ns
 960ns
 640ns

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Microprocessor
RST0 - RST7 are the __________ in 8085.

 software interrupts
 conditional interrupts
 logical interrupts
 hardware interrupts

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Microprocessor
Identify the programmable interval timer from the following

 8253
 8252
 8279
 8275

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Microprocessor
In Fortran 77 a variable name can contain special characters.

False
True

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Microprocessor
An I/O processor controls the flow of information between

Cache memory and I/O devices
Two I/O devices
Main memory and I/O devices
Cache and main memory

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Microprocessor
XCHG instruction exchanges the content of H-L with ______ register pair.

 B-C
 D-E
 Stack Pointer
 PSW

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