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Microprocessor

Microprocessor
IC 7485 cannot be cascadeD.

True
False

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Microprocessor
Which one of the following instruction may be used to clear the accumulator content irrespective of its initial value?

 MOV A, 00H
 ORA A
 SUB A
 CLR A

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

100000
10000
1000
one million

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

True
False

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Microprocessor
Which of the following instruction is not possible in 8085?

 POP PSW
 POP B
 POP 30 H
 POP D

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Microprocessor
Consider the following registers: 1. Accumulator and flag register 2. B and C register 3. D and E register 4. H and L register Which of these 8-bit registers of 8085 microprocessor can be paired together to make a 16-bit register?

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

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