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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Q. In 8085

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Q. Assertion (A): Microprocessor 8085 has an 8 bit register called accumulator which stores intermediate answers during a computer operation.

Reason (R): Accumulator can send or receive data.

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Q. Assertion (A): Interfacing means synchronisation of digital information transmission between input output devices and computer.

Reason (R): A computer with higher bit word size executes programs at a faster rate.

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Q. IC 74181 is a 4 bit device.

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

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Q. Assertion (A): A PROM is a user programmable ROM.

Reason (R): After programming PROM behaves like ROM.

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Q. The operator precedence in Java is in the order

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Q. A colour monitor usign 16 bits at a resolution of 600 x 400 pixels needs a memory of

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Q. Read the following statements as regards register pairs in microprocessor 8085

1. B represents B, C pair with B as high order register and C as low order register.
2. D represents D, E pair with D as high order register and E as low order register.
3. H represents H, L pair with H as high order register and L as low order register.

Which of the above statements are correct?

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Q. The 8085 instruction 'PUSH PSW' belongs to the group

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Q. Assertion (A): In C it is possible for functions to call themselves.

Reason (R): C makes use of 'Pointers'.

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Q. In IC 74181 a sum greater than 15 leads to low carry out.

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Q. Assertion (A): In 8085, the zero flag is set when ALU operation results in 0. If the result is not 0, this flag is reset.

Reason (R): In 8085 the S flag is set when the contents of accumulator become negative during execution of an instruction.

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Q. The operations which occur most frequently in a computer are

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Q. Assertion (A): A dynamic RAM chip has much smaller cell than a static RAM chip.

Reason (R): In dynamic RAM one bit of information is stored as the charge on a capacitor.

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Q. Which of the following produces very wide drifts in clock frequency?

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