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Total Questions : 457 | Page 1 of 46 pages
Question 1. Which of the following is a universal gate?
  1.    AND
  2.    OR
  3.    EX-OR
  4.    NAND
  5.    None of the above
 Discuss Question
Answer: Option D. -> NAND
Question 2. The number of input words in a truth table always equals _____ where n is the number of inputs bits.
  1.    10n
  2.    2n
  3.    4n
  4.    8n
  5.    None of the above
 Discuss Question
Answer: Option B. -> 2n
Question 3. Conversion of decimal number 6110 to it's binary number equivalent is
  1.    1111012
  2.    1111002
  3.    1100112
  4.    0011012
  5.    None of the above
 Discuss Question
Answer: Option A. -> 1111012
Question 4. Multiplication of 478 by 528 is
  1.    (3144)8
  2.    (4147)8
  3.    (3146)8
  4.    (3184)8
  5.    None of the above
 Discuss Question
Answer: Option C. -> (3146)8
Question 5. Which of the following boolean algebra statements represent commutative law
  1.    (A+B)+CA+(B+C)
  2.    A.(B+C)(A.B)+(A.C)
  3.    A+BB+A
  4.    A+AA
  5.    None of the above
 Discuss Question
Answer: Option C. -> A+BB+A
Question 6. Binary-Coded-decimal (BCD) numbers express each digit as a _____
  1.    byte
  2.    nibble
  3.    bit
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option B. -> nibble
Question 7. Computers use thousands of flip-flops. To coordinate the overall action, a common signal called the _____ is sent to each flip-flop.
  1.    latch
  2.    clock
  3.    master
  4.    slave
  5.    None of the above
 Discuss Question
Answer: Option B. -> clock
Question 8. Conversion of decimal number 9310 to hexadecimal number is
  1.    2D16
  2.    5D16
  3.    6216
  4.    3116
  5.    None of the above
 Discuss Question
Answer: Option B. -> 5D16
Question 9. Conversion of decimal number 9910 to it's octal number equivalent is
  1.    1218
  2.    1438
  3.    1248
  4.    1198
  5.    None of the above
 Discuss Question
Answer: Option B. -> 1438
Question 10. The 2's compliment of binary number 0.01011 is:
  1.    1.10101
  2.    0.10101
  3.    1.101
  4.    0.101
  5.    None of the above
 Discuss Question
Answer: Option A. -> 1.10101

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