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Microprocessor

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

 8
 2
 6
 16

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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
Of the following circuits, the one which involves storage is

RS Latch
Decoder
Mux
Nand

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Microprocessor
In 8085 microprocessor which one of the following statement is wrong

 there is a pin available for serial input
 there is a pin available for serial output
 serial I/O is possible through SIM and RIM instruction
 serial I/O is not possible

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

False
True

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Microprocessor
Which of the following interrupt is both level and edge sensitive?

 INTR
 TRAP
 RST 5.5
 RST 7.5

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