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  • Question
  • Consider the following

    1. The first letter of a Java variable is lower case.
    2. Each successive word in Java variable begins with a capital letter.
    3. All other letters are lower case.
    4. A Java variable can have a digit as first character.
    Which of the above are correct?


  • Options
  • A. All
  • B. 1, 2, 3 only
  • C. 1, 2, 4 only
  • D. 2, 3, 4 only

  • Correct Answer
  • 1, 2, 3 only 

    Explanation
    Digit as first character is not allowed.

    Microprocessors problems


    Search Results


    • 1. Which of the following DO statements is invalid in FORTRAN 77?

    • Options
    • A. DO 161 = 1, 15
    • B. DO 16 1 = 1, 10, 1
    • C. DO 16 I = - 5, 5, 2
    • D. none of the above
    • Discuss
    • 2. In a microprocessor

    • Options
    • A. all instructions need only one machine cycle
    • B. some instructions need only one machine cycle while some other instructions need more than one machine cycle
    • C. all instructions need only fraction of one machine cycle
    • D. some instructions need less than one machine cycle
    • Discuss
    • 3. To evaluate X = (A + B + 1.2) * (A + B - C) the sequence of operation is

    • Options
    • A. + + + - * =
    • B. * + + + - =
    • C. + + - * + =
    • D. - + + + * =
    • Discuss
    • 4. Which of the following is not a valid variable name in C?

    • Options
    • A. p o, t
    • B. p o t
    • C. po_t
    • D. p_ot
    • Discuss
    • 5. Consider the following DO statement in Fortran 77

      DO 52 N = 1, 10, 3

      The number of DO loop executions in the above statement is

    • Options
    • A. 1
    • B. 10
    • C. 3
    • D. 4
    • Discuss
    • 6. Most of the memory chips in static RAM

    • Options
    • A. do not require any supply
    • B. need 2 V supply
    • C. need 5 V supply
    • D. need 12 V supply
    • Discuss
    • 7. The power requirements of a DRAM in active and stand by modes is about

    • Options
    • A. 350 mW and 5 mW respectively
    • B. 350 mW each
    • C. 5 mW each
    • D. 350 mW and 100 mW respectively
    • Discuss
    • 8. 8085 has 6 sign flags.

    • Options
    • A. True
    • B. False
    • Discuss
    • 9. The interface chip for 8086 and 16 bit ADC is

    • Options
    • A. 8259
    • B. 8255
    • C. 8253
    • D. 8251
    • Discuss
    • 10. Which is not a valid Java variable

    • Options
    • A. lot
    • B. c 1t
    • C. s $ 2
    • D. 2 s $
    • Discuss


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