Q. Which of the following is a valid integer constant?

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Q. The five flags in 8085 are designated as

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Q. It is desired to evaluate the expression

F = B cos Y + C cos² Y + A cos³ Y

The Pascal equivalent to ensure minimum computer time should be written as

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Q. In 8085 which addressing mode is also called inherent addressing?

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Q. Consider the following statements for 8085

1. The most significant 8 bits of address are transmitted on the 8 lines on which data is transmitted.
2. Eight pins are dedicated to transmit the most significant 8 bits of memory address.
3. The least significant 8 bits of address are transmitted on the lines on which data is transmitted.
4. The data and leass significant 8 bits are transmitted at different points in time.

Which of the above statements are correct?

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Q. Read the following statement

1. Multi-processing operation permits highly efficient parallel processing at several levels.
2. Multi processing involves use of several processing units jointly on a common program and severally on different programs.
3. In multi-processing the assignment of facilities to tasks, loading of programs and monitoring of I/O activity is taken care of by operating system.

Which of the above are correct?

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Q. The correct hierarchy of operations for the operators & &, = = , = , * is

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Q. Which one of the following is valid integer variable in FORTRAN 77?

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Q. An e-mail message can be sent to many recipients.

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Q. In C the keywords are also called

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Q. Assertion (A): PC-XT is a personal computer.

Reason (R): PC-XT uses a floppy drive and has a medium sized hard disc.

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Q. In Intel 8085, the integer range per word length is

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Q. Assertion (A): Structures are useful in DBMS.

Reason (R): Structures are very large numbers of applications besides DBMS.

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Q. If the sign bit of mantissa is 0 and the exponent is increased from a positive to a more negative number the result is

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Q. The use of microprocessor control in automobiles results in

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Q. The timing difference between a slow memory and fast processor can be resolved if

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

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Q. Consider the following statements about DRAM

1. Page mode read operation is faster than R̅A̅S̅ read
2. R̅A̅S̅ input remains active during column address strobe
3. The row and column addresses are strobed into the internal buffers using R̅A̅S̅ and C̅A̅S̅ inputs respectively

Which of the above statements are correct?

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

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Q. Consider the following statements

1. EEPROM has the problem of high write time.
2. EEPROM has the problem of limited number of write cycles.
3. Shadow RAM has the problem of high write time.

Which of the above statements are correct?

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