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You Are On Multi Choice Question Bank SET 981

49051. Digital systems operate only on discrete digits that represent numbers, letters, or symbols.



49052. The octal number system consists of eight digits, 0 through 7.



49053. The Gray code has a base of eight.



49054. The hexadecimal equivalent of a decimal number would produce a larger number than the original decimal number.



49055. ASCII stands for American Standard Code for Information Interchange.



49056. When converting from decimal to binary by the repeated division-by-two method, the initial remainder becomes the MSD.



49057. 3C1D16 = 111100000111012



49058. Zeros may be added to the left of the MSB to produce even groups of 4 bits when converting from binary to hexadecimal.



49059. Digital electronics must use a numbering system that has more than ten digits.



49060. A debugging utility is used to take the "bugs" out of a program.



49061. The primary advantage of the hexadecimal numbering system is the ease in conversion between the binary and hexadecimal systems.



49062. In odd parity, 100011010 would pass the parity check.



49063. The primary advantage of the hexadecimal number system is the ease with which conversion can be made between binary and hexadecimal numbers.



49064. A binary code decimal representation of a binary number will always have more bits than the binary number.



49065. The decimal number system consists of the digits 0–10.



49066. 1210 = 11012 = C16 = 00010010 BCD



49067. Hexadecimal is used to encode BCD numbers.



49068. A method of converting decimal to binary is by successive division.



49069. A string of 64 bits has 9 bytes.



49070. Digital circuitry is the foundation of digital computers and many automated control systems.



49071. A parity bit is used to detect an error in data transmission caused by noise.



49072. Most computers store binary data in groups of 32 bits called Dwords.



49073. The word size is defined as the number of bits in the binary word that a digital system operates on.



49074. The hexadecimal number system consists of 16 digits, 0–15.



49075. The 1's complement of a binary number is derived by changing 0s to 1s and 1s to 0s.



49076. A binary number with four digits has a maximum value of 15.



49077. The 2's complement of a binary number is derived by adding 1 to the 1's complement.



49078. A positive binary number is represented by a 1 sign bit.



49079. The ASCII code is a special code that represents all alphanumeric data.



49080. Many digital electronic systems work in hexadecimal instead of binary.



49081. In even parity, the sum of the individual bits in the code group must be even.



49082. Adding an odd-parity bit to ASCII hex code 2B results in 10101011.



49083. Octal-to-binary conversion is accomplished by simply replacing each octal digit with its 4-bit binary equivalent.



49084. The hexadecimal numbering system uses base 15.



49085. Manufacturers of computers utilize 3-bit codes to indicate operations or instructions.



49086. A computer will use ASCII code to store information internally.



49087. A complete alphanumeric code would include 26 lowercase letters, 26 uppercase letters, 10 numeric digits, 7 punctuation marks, and anywhere from ________ to ________ other characters.





49088. Hex 4B5258 is ________ in ASCII code.





49089. Most computers store data in strings of ________ bits called a ________.





49090. The ________ code represents alphanumeric characters as seven-bit binary numbers.





49091. Hexadecimal 16 is ________ in decimal.





49092. Hexadecimal F2 is ________ in binary.





49093. The ________ number system has a base of sixteen.





49094. Binary 0010111101111110 is ________ in hexadecimal.





49095. The decimal equivalent of the BCD number 1010 is ________.





49096. The largest unsigned decimal number that can be represented in binary using six bits is ________.





49097. The two digits in the binary number system are ___ and ___.





49098. Decimal 37 is ________ in binary with an even parity bit.





49099. The decimal fraction 1/4 can be written in binary as________.





49100. Decimal 474 is ________ in BCD.





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