Digital Electronics MCQs Set-4

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  1. 1. Which of the following code is also known as reflected code?
    • Excess-3 codes
    • Gray code
    • Straight binary code
    • Error code
  2. 2. EXOR is the __________ of the binary number.
    • MSB to the next bit
    • LSB to the next bit
    • MSB of the previous bit
    • LSB of the previous bit
  3. 3. ASCII code is required for representing more than ________ characters
    • 16
    •  8
    •  64
    • 32
  4. 4. Why the 8-bit (MSB) is added in EBCDIC?
    • For carriage return
    • For making the total number of 1’s odd
    • For line feed
    • For parity
  5. 5. What is the 8-bit EBCDIC representation of alphabet M?
    •  1100100
    •  11001001
    •  11010100
    •  010001
  6. 6. What will be the result in BCD form if two binary numbers 599 and 984 are added?
    •  1583
    •  8513
    •  8421
    •  None of the above
  7. 7. Which of the following is not correct regarding EBCDIC?
    •  It is used to represent more than 64 characters.
    •  It is a 7-bit code.
    •  A maximum of 128 different characters can be represented by this code.
    •  None of the above
  8. 8. The MSB of _____________ is same as the MSB of the corresponding Gray code.
    •  Alphanumeric code
    •  Excess-3 code
    • Binary code
    •  Gray code
  9. 9. How can you represent (08)10 in BCD?
    •  0000 1000
    •  0010 0011
    •  1001 0010 0001
    •  1001 0010
  10. 10. In N-bits, you can represent the signed integers ranging from ___________.
    • 2^(N-1) to 2^(N+1)
    •  -2^(N-1) to 2^(N-1) -1
    •  2^(N+1) to 2^(N-1) +1
    • 2^(N) to 2^(N+1)