Q. Assertion (A): Logical group of instructions contains instructions for logic operations.

Reason (R): Data transfer group instruction is basically a copying instruction.

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Q. The chip 8257 is a

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Q. Both ROM and RAM can be accessed randomly.

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Q. Windows have a user friendly program called 'Front Page Express' for creating web pages.

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Q. The number of pins in microprocessor 8086 is

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Q. The input to ALU are the contents of accumulator and temporary register.

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Q. As compared to operating current, the current drawn by a memory chip in stand by mode is

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Q. Which characteristic of a memory chip is called ac characteristics?

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Q. Which of the following alphanumeric characters is not allowed in Basic?

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Q. A machine cycle has one clock cycle.

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Q. Which is not a valid dimension statement?

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Q. An instruction using immediate addressing mode in 8085 is

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Q. Consider the following statements about 8085

1. The instruction LDA uses direct addressing mode.
2. The instruction MVI uses direct addressing mode.
3. The instruction MVI uses immediate addressing mode.
4. The instruction LDA uses immediate addressing mode.

Which of the above are correct?

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Q. Consider the directive T : DS105. This directive

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Q. Which of the following is not a valid logical expression in Pascal?

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Q. Which of the following instructions in 8085 does not belong to data transfer group?

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Q. For Disk partitioning th DOS command is

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Q. In 8085 the instruction MOV A, M is an example of

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Q. Assertion (A): Magnetic tape can be accessed only sequentially.

Reason (R): Magnetic tape consists of magnetised spots or tracks.

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Q. Assertion (A): Most PCs use static RAM for main memory.

Reason (R): Static RAM is faster than dynamic RAM.

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