Description : Which numbering formats are really codes rather than true number systems? 96) A) hexadecimal and octal B) binary and octal C) decimal and binary D) BCD and ASCII
Last Answer : Which numbering formats are really codes rather than true number systems?
Description : Which numbering format is used to represent both numbers and letters on a keyboard? 79) A) octal B) ASCII C) hexadecimal D) BCD
Last Answer : B) ASCII
Description : Which numbering format is most commonly used in a computer's machine language? 23) A) ASCII B) hexadecimal C) octal D) BCD
Last Answer : B) hexadecimal
Description : ENIAC uses A) Decimal Numbering System B) Octal Numbering System C) Binary Numbering System D) Hexadecimal Numbering System
Last Answer : Answer : A
Description : The code where all successive numbers differ from their preceding number by single bit is (A) Binary code. (B) BCD. (C) Excess – 3. (D) Gray.
Last Answer : Ans: D The code where all successive numbers differ from their preceding number by single bit is Gray Code. (It is an unweighted code. The most important characteristic of this code is that only a single bit change occurs when going from one code number to next.)
Description : The chief reason why digital computers use complemented subtraction is that it (A) Simplifies the circuitry. (B) Is a very simple process. (C) Can handle negative numbers easily. (D) Avoids direct subtraction.
Last Answer : Ans: C Using complement method negative numbers can also be subtracted.
Description : Convert binary 1001 to octal. 131) A) 1018 B) 98 C) 108 D) 118
Last Answer : D) 118
Description : Convert binary 01001110 to octal. 125) A) 1078 B) 768 C) 1068 D) 116
Last Answer : D) 116
Description : Convert binary 11100111 to octal. 115) A) 3508 B) 3478 C) 3178 D) 7138
Last Answer : B) 3478
Description : Convert octal 64 to binary. 111) A) 1000000 B) 100000 C) 1111000 D) 110100
Last Answer : D) 110100
Description : Convert octal 152 to binary. 109) A) 011100010 B) 00111100 C) 01101010 D) 10101001
Last Answer : C) 01101010
Description : Convert binary 110001100101 to octal. 106) A) 45778 B) 72458 C) 61458 D) 143118
Last Answer : C) 61458
Description : Convert octal 100 to binary. 102) A) 10000000 B) 1100100 C) 111111110 D) 01000000
Last Answer : 01000000
Description : Convert octal 77 to binary. 78) A) 1100111 B) 011111 C) 011011 D) 111111
Last Answer : D) 111111
Description : Convert binary 1111101 to octal. 46) A) 7618 B) 2758 C) 1758 D) 958
Last Answer : C) 1758
Description : Convert binary 10111111 to octal. 42) A) 2108 B) 1718 C) 2578 D) 2778
Last Answer : D) 2778
Description : Convert octal 12 to binary. 17) A) 010001 B) 001111 C) 001010 D) 001100
Last Answer : C) 001010
Description : Convert octal 36 to binary. 7) A) 110110 B) 100110 C) 110011 D) 011110
Last Answer : D) 011110
Description : Convert octal 377 to binary. 4) A) 11101101 B) 01111011 C) 10110111 D) 11111111
Last Answer : D) 11111111
Description : Convert binary 10101010 to octal. 3) A) 2068 B) 5228 C) 2558
Last Answer : D) 2528
Description : Convert binary 010101 to octal. 1) A) 258 B) 58 C) 218 D) 158
Last Answer : A) 258
Description : The decimal equivalent of the BCD value 0111 0110 1000 is ________. 124) A) 70810 B) 17210 C) 76810 D) 6871
Last Answer : C) 76810
Description : The decimal equivalent of the BCD value 1000 0110 is ________. 118) A) 8610 B) 7610 C) 8810 D) 8110
Last Answer : A) 8610
Description : The decimal equivalent of the BCD value 1001 1001 is ________. 113) A) 9310 B) 9510 C) 9910 D) 8910
Last Answer : C) 9910
Description : The BCD equivalent of decimal 64 is ________. 101) A) 0111 0110BCD B) 0111 1110BCD C) 0100 0010BCD D) 0110 0100BCD
Last Answer : D) 0110 0100BCD
Description : The BCD equivalent of decimal 109 is ________. 99) A) 1110 1011BCD B) 0001 0000 1001BCD C) 1110 1110 1100BCD D) 0001 0000 1101BCD
Last Answer : B) 0001 0000 1001BCD
Description : The BCD equivalent of decimal 912 is ________. 60) A) 1001 0001 0010BCD B) 1001 1000 0001BCD C) 0111 1111 1110BCD D) 0010 001 1001BCD
Last Answer : A) 1001 0001 0010BCD
Description : The decimal equivalent of the BCD value 1001 0011 is ________. 59) A) 9310 B) 16610 C) 9810 D) 17610
Last Answer : A) 9310
Description : The decimal equivalent of the BCD value 0010 0011 is ________. 57) A) 2710 B) 2310 C) 4310 D) 2010
Last Answer : B) 2310
Description : The decimal equivalent of the BCD value 0011 1001 0010 is ________. 32) A) 49010 B) 39210 C) 98210 D) 4131
Last Answer : B) 39210
Description : Which system is used in digital computers because all electrical and electronic circuits can be made to respond to the states concept: a. Hexadecimal number b. Binary number c. Octal number d. Decimal number
Last Answer : b. Binary number
Description : Convert decimal 19 to octal. 130) A) 278 B) 218 C) 238 D) 178
Last Answer : C) 238
Description : Convert octal 32 to decimal. 123) A) 3010 B) 2610 C) 1610 D) 3201
Last Answer : B) 2610
Description : Convert octal 107 to decimal. 114) A) 7710 B) 10110 C) 7110 D) 9710
Last Answer : C) 7110
Description : Convert decimal 64 to octal. 97) A) 778 B) 768 C) 1008 D) 1048
Last Answer : C) 1008
Description : Convert octal 130 to decimal. 95) A) 4710 B) 5710 C) 6410 D) 8810
Last Answer : 4710
Description : Convert decimal 78 to octal. 93) A) 988 B) 1208 C) 1168 D) 1068
Last Answer : C) 1168
Description : Convert decimal 70 to octal. 89) A) 1108 B) 1028 C) 768 D) 1068
Last Answer : D) 1068
Description : Convert decimal 12 to octal. 75) A) 168 B) 128 C) 108 D) 148
Last Answer : D) 148
Description : Convert decimal 102 to octal. 73) A) 1008 B) 1468 C) 1628 D) 1548
Last Answer : B) 1468
Description : Convert octal 66 to decimal. 66) A) 5410 B) 4410 C) 6410 D) 5610
Last Answer : A) 5410
Description : Convert octal 10 to decimal. 64) A) 1210 B) 210 C) 810 D) 1610
Last Answer : C) 810
Description : Convert octal 16 to decimal. 63) A) 2010 B) 1410 C) 1610 D) 1010
Last Answer : B) 1410
Description : Convert octal 115 to decimal. 53) A) 7710 B) 9810 C) 6810 D) 7410
Last Answer : A) 7710
Description : Convert decimal 20 to octal. 45) A) 168 B) 108 C) 188 D) 248
Last Answer : D) 248
Description : Convert decimal 31 to octal. 29) A) 378 B) 438 C) 338 D) 308
Last Answer : A) 378
Description : Convert octal 54 to decimal. 5) A) 6410 B) 5810 C) 7610 D) 4410
Last Answer : D) 4410
Description : Convert the decimal number 3.375 to binary. 132) A) 0101.1100 B) 0011.1010 C) 0011.0011 D) 0011.01
Last Answer : D) 0011.01
Description : The decimal equivalent of binary 01100001 is ________. 122) A) 9110 B) 9710 C) 11510 D) 10110
Last Answer : B) 9710