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You Are On Multi Choice Question Bank SET 1253
62651. The binary number 11101011000111010 can be written in hexadecimal as ________.
(A): DD63A16 (B): 1D63A16 (C): 1D33A16 (D): 1D63116
62652. Which of the following is an invalid BCD code?
(A): 0011 (B): 1101 (C): 0101 (D): 1001
62653. What decimal number does 25 represent?
(A): 10 (B): 31 (C): 25 (D): 32
62654. Convert the Gray code 1011 to binary.
(A): 1011 (B): 1010 (C): 0100 (D): 1101
62655. Determine the decimal equivalent of the signed binary number 11110100 in 1's complement.
(A): 116 (B): –12 (C): 11 (D): 128
62656. What is the difference between binary coding and binary-coded decimal?
(A): BCD is pure binary. (B): Binary coding has a decimal format. (C): BCD has no decimal format. (D): Binary coding is pure binary.
62657. Convert the following decimal number to BCD.127
(A): 011100100001 (B): 111010001 (C): 001010111 (D): 000100100111
62658. Digital electronics is based on the ________ numbering system.
(A): decimal (B): octal (C): binary (D): hexadecimal
62659. An informational signal that makes use of binary digits is considered to be:
(A): solid state (B): digital (C): analog (D): non-oscillating
62660. The 1's complement of 10011101 is ________.
(A): 01100010 (B): 10011110 (C): 01100001 (D): 01100011
62661. The binary number 101110101111010 can be written in octal as ________.
(A): 515628 (B): 565778 (C): 656278 (D): 565728
62662. Convert 45710 to hexadecimal.
(A): 711 (B): 2C7 (C): 811 (D): 1C9
62663. Convert the decimal number 151.75 to binary.
(A): 10000111.11 (B): 11010011.01 (C): 00111100.00 (D): 10010111.11
62664. Convert the following octal number to binary.1048
(A): 0010001002 (B): 1000000012 (C): 00101002 (D): 10000012
62665. 3 × 101 + 7 × 100 is equal to ________.
(A): 3.7 (B): 37 (C): 10 (D): 370
62666. 3428 is the decimal value for which of the following binary-coded decimal (BCD) groupings?
(A): 11010001001000 (B): 11010000101000 (C): 011010010000010 (D): 110100001101010
62667. The binary-coded decimal (BCD) system can be used to represent each of the 10 decimal digits as a(n):
(A): 4-bit binary code (B): 8-bit binary code (C): 16-bit binary code (D): ASCII code
62668. The decimal number 18 is equal to the binary number ________.
(A): 11110 (B): 10001 (C): 10010 (D): 1111000
62669. The 2's complement of 11100111 is ________.
(A): 11100110 (B): 00011001 (C): 00011000 (D): 00011010
62670. Convert the following decimal number to BCD.469
(A): 100101101000 (B): 010001101001 (C): 100001101001 (D): 100101100100
62671. Express the decimal number –37 as an 8-bit number in sign-magnitude.
(A): 10100101 (B): 00100101 (C): 11011000 (D): 11010001
62672. Convert the following BCD number to decimal.010101101001bcd
(A): 539 (B): 2551 (C): 569 (D): 1552
62673. The binary number 11001110 is equal to the decimal number ________.
(A): 12 (B): 206 (C): 127 (D): 66
62674. The binary number for F3A16 is ________.
(A): 111100111010 (B): 111100111110 (C): 000000111010 (D): 000011000100
62675. Convert the following BCD number to decimal.100000000011bcd
(A): 8003 (B): 803 (C): 1003 (D): 103
62676. Convert the following hexadecimal number to binary. 14B16
(A): 1011010000012 (B): 0001010010112 (C): 0001010011012 (D): 1101010000012
62677. What is the result when a decimal 5238 is converted to base 16?
(A): 327.375 (B): 12.166 (C): 1388 (D): 1476
62678. The octal number for binary 1101110101110110 is ________.
(A): 6545218 (B): 5565618 (C): 1566568 (D): 1565668
62679. Convert the following hexadecimal number to decimal.1CF16
(A): 463 (B): 4033 (C): 479 (D): 4049
62680. Convert the binary number 1011010 to hexadecimal.
(A): 5B (B): 5F (C): 5A (D): 5C
62681. Convert the following decimal number to hexadecimal.74
(A): A416 (B): B416 (C): 4A16 (D): 4B16
62682. Convert hexadecimal C0B to binary.
(A): 110000001011 (B): 110000001001 (C): 110000001100 (D): 110100001011
62683. Convert binary 1001 to hexadecimal.
(A): 916 (B): 1116 (C): 10116 (D): 1016
62684. Convert 73116 to decimal.
(A): 216.4 (B): 985 (C): 3D9 (D): 1841
62685. What is the decimal value of the hexadecimal number 777?
(A): 191 (B): 1911 (C): 19 (D): 19111
62686. Convert 110010012 (binary) to decimal.
(A): 201 (B): 2001 (C): 20 (D): 210
62687. Convert the following decimal number to octal.39
(A): 638 (B): 368 (C): 478 (D): 748
62688. The American Standard Code for Information Interchange (ASCII) uses how many individual pulses for any given character?
(A): 1 (B): 2 (C): 7 (D): 8
62689. Convert the following hexadecimal number to decimal.B516
(A): 212 (B): 197 (C): 165 (D): 181
62690. The BCD number for decimal 16 is ________.
(A): 00010110 (B): 00010000 (C): 00010010 (D): 11100000
62691. Alphanumeric codes should include as a minimum:
(A): the capacity to represent the alphabet upper- and lowercase characters and the decimal numbers in a straight binary format. (B): the capacity to code all possible decimal numbers in a direct octal representation of BCD codes. (C): the alphabet upper- and lowercase letters, the decimal digits, the seven punctuation marks, and other characters or symbols. (D): the ability to represent decimal numbers greater than 12810 in a straight binary format.
62692. Convert 52716 to binary.
(A): 343 (B): 001101000111 (C): 010100100111 (D): 011100100101
62693. Convert 5278 to binary.
(A): 011100111 (B): 101010111 (C): 343 (D): 111010101
62694. The base of the hexadecimal system is:
(A): eight. (B): sixteen. (C): ten. (D): two.
62695. Assign the proper even parity bit to the code 1100001.
(A): 11100001 (B): 1100001 (C): 01100001 (D): 01110101
62696. Select one of the following statements that best describes the parity method of error detection.
(A): Parity checking is best suited for detecting single-bit errors in transmitted codes. (B): Parity checking is not suitable for detecting single-bit errors in transmitted codes. (C): Parity checking is capable of detecting and correcting errors in transmitted codes. (D): Parity checking is best suited for detecting double-bit errors that occur during the transmission of codes from one location to another.
62697. Which of the following is the primary advantage of using the BCD code instead of straight binary coding?
(A): Fewer bits are required to represent a decimal number with the BCD code. (B): The relative ease of converting to and from decimal. (C): BCD codes are easily converted to hexadecimal codes. (D): BCD codes are easily converted to straight binary codes.
62698. How many BCD code bits and how many straight binary bits would be required to represent the decimal number 643?
(A): 12 BCD, 12 binary (B): 12 BCD, 10 binary (C): 12 BCD, 9 binary (D): 16 BCD, 9 binary
62699. When using the repeated division by 2 method of converting from decimal to binary, one must write the first remainder as the:
(A): MSB (B): MSB, provided the following sequence of remainders are written in descending order until the final remainder is achieved. (C): LSB (D): LSB, provided the final remainder is used to replace the original LSB, which is then moved to the MSB position.
62700. In ASCII code, the hexadecimal sequence 53 54 55 44 45 4E 54 decodes to STUDENT.
(A): True (B): False
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