Q. In 8086 a word OA 50 FH is stored in 02 and 03 memory locations. Then

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Q. Consider the following program for 8085

MOV A, D
RAL
MOV D, A

If initial contents of register D is decimal number 20, the final content of register D is

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Q. Assertion (A): In C a variable name can have upto 8 characters and special symbols can also be part of variable name.

Reason (R): In C a type declaration at the beginning of program indicates the type of variable name used in the program.

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Q. A string constant in basic is

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Q. Assertion (A): In 8085 when RESET OUT goes low processing begins.

Reason (R): CPU remains reset till RESET IN signal goes high.

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Q. In microprocessor 8088

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Q. Which of the following buses does not exist in 8085?

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Q. The sign of a floating point number depends on

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Q. Assertion (A): A higher level language is less efficient that machine language but more efficient than assembly language.

Reason (R): It is easier to learn and use higher level language than machine language.

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Q. The accumulator drives the ALU.

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Q. System bus is the communication channel between microprocessor and peripherals.

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Q. One T state is precisely equal to one clock period.

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Q. Assertion (A): A good algorithm should be fast, require minimal computer memory and time.

Reason (R): Many times an algorithm is prepared in the form of a flow chart.

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Q. Programs like compilers, assemblers etc. are stored in a mircocomputer in

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Q. When performing numerical calculations in floating point arithmetic

1. Error may occur due to finite representation of numbers.
2. Error may occur due to rounding.
3. Error may occur due to finite representation of inherently infinite process.

Which of the above are correct?

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Q. The number of registers and flags in 8086 are

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Q. The number of primitive string operations in 8086 is

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Q. If the resolution of a printer is 1200 dpi, the number of dots per square inch is

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Q. Which of these are 16 bit microprocessors?

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Q. In which of the following 8085 instructions are all condition flags except CY affected?

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