Description : The excess-3 code of decimal 7 is represented by (A) 1100. (B) 1001. (C) 1011. (D) 1010.
Last Answer : Ans: D An excess 3 code is always equal to the binary code +3
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 Gray code for decimal number 6 is equivalent to (A) 1100 (B) 1001 (C) 0101 (D) 0110
Last Answer : (C) 0101
Description : Convert the binary number 10010.0100 to decimal. 103) A) 16.25 B) 18.25 C) 18.40 D) 24.50
Last Answer : B) 18.25
Description : Which binary value equals 20? 72) A) 0100 B) 0001 C) 1000 D) 0000
Last Answer : B) 0001
Description : Which binary value equals 2-3? 69) A) 0011.1000 B) 0000.0010 C) 0000.0100 D) 0000.0011
Last Answer : B) 0000.0010
Description : Which binary value equals 21? 65) A) 0100 B) 0010 C) 0001 D) 1000
Last Answer : B) 0010
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 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 0011 1001 0010 is ________. 32) A) 49010 B) 39210 C) 98210 D) 4131
Last Answer : B) 39210
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 : Convert binary 1001 to octal. 131) A) 1018 B) 98 C) 108 D) 118
Last Answer : D) 118
Description : Which binary value equals 22? 84) A) 0100 B) 0001 C) 0010 D) 0011
Last Answer : A) 0100
Description : The decimal equivalent of Binary number 10101 is (A) 21 (B) 31 (C) 26 (D) 28
Last Answer : (A) 21
Description : The decimal equivalent of Binary number 11010 is (A) 26. (B) 36. (C) 16. (D) 23.
Last Answer : (A) 26.
Description : What is the decimal value of 26? A) 128 B) 36 C) 32 D) 64
Last Answer : D) 64
Description : The hexadecimal equivalent of a decimal 11 is ________. 26) A) "A" B) "B" C) "C" D) "D"
Last Answer : B) "B"
Description : Convert the decimal number 10.5 to binary. 92) A) 1100.1000 B) 1010.0101 C) 1010.1000 D) 1011.1000
Last Answer : C) 1010.1000
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 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 BCD equivalent of decimal 88 is ________. 50) A) 1000 1000BCD B) 1010 1000BCD C) 1100 0010BCD D) 1001 0000BCD
Last Answer : A) 1000 1000BCD
Description : Which binary value equals 26? 55) A) 00001100 B) 00000110 C) 01000000 D) 00100000
Last Answer : C) 01000000
Description : What is the output of the following code CF =0, BH = 179 RCL BH, 1 a) CF=0, OF= 1, BH= 01100101 b) CF=1, OF=1, BH=01100110 c) CF=1, OF =0, BH= 01001101 d) CF=0, OF=0, BH=00101100
Last Answer : c) CF=1, OF =0, BH= 01001101
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 : Convert the binary number 0001.0010 to decimal. 121) A) 1.20 B) 1.40 C) 1.125 D)
Last Answer : C) 1.125
Description : Convert the decimal number 0.0625 to binary. 100) A) 0000.0111 B) 0000.1110 C) 0000.0011 D) 0000.0001
Last Answer : D) 0000.0001
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 : Convert the decimal number 14.875 to binary. 87) A) 1110.0111 B) 1110.1110 C) 1111.1011 D) 1100.1100
Last Answer : B) 1110.1110
Description : How many unique numeric symbols are used in the decimal number system? 47) A) unlimited B) nine C) one D) ten
Last Answer : D) ten
Description : Convert the decimal number 6.75 to binary. 14) A) 0110.1100 B) 0111.1100 C) 0110.0110 D) 0110.1010
Last Answer : A) 0110.1100
Description : Convert the decimal number 12.125 to binary. 12) A) 1100.0110 B) 1110.0010 C) 1100.0010 D) 1010.1100
Last Answer : C) 1100.0010
Description : Convert the binary number 0000.1010 to decimal. 6) A) 0.10 B) 0.55 C) 0.50 D) 0.625
Last Answer : D) 0.625
Description : 1’s complement representation of decimal number of -17 by using 8 bit representation is (A) 1110 1110 (B) 1101 1101 (C) 1100 1100 (D) 0001 0001
Last Answer : (A) 1110 1110
Description : The hexadecimal number ‘A0’ has the decimal value equivalent to (A) 80 (B) 256 (C) 100 (D) 160
Last Answer : (D) 160
Description : The decimal equivalent of hex number 1A53 is (A) 6793 (B) 6739 (C) 6973 (D) 6379
Last Answer : (B) 6739
Description : What is the binary equivalent of the decimal number 368 (A) 101110000 (B) 110110000 (C) 111010000 (D) 111100000
Last Answer : (A) 101110000
Description : Which binary value equals 2-1? 61) A) 1.0000 B) 0.0010 C) 0.0001 D) 0.1000
Last Answer : D) 0.1000
Description : Which binary value equals 2-2? 13) A) 0000.0010 B) 0010.0000 C) 0000.1000 D) 0000.010
Last Answer : D) 0000.010
Description : If the input to T-flipflop is 100 Hz signal, the final output of the three T-flipflops in cascade is (A) 1000 Hz (B) 500 Hz (C) 333 Hz (D) 12.5 Hz.
Last Answer : (D) 12.5 Hz.
Description : Convert decimal 19 to octal. 130) A) 278 B) 218 C) 238 D) 178
Last Answer : C) 238
Description : The hexadecimal equivalent of decimal 88 is ________. 129) A) 6816 B) 5816 C) 5116 D) 551
Last Answer : B) 5816
Description : What is the decimal value of 20? 127) A) 2 B) 0 C) 1 D) 3
Last Answer : C) 1
Description : Convert octal 32 to decimal. 123) A) 3010 B) 2610 C) 1610 D) 3201
Last Answer : B) 2610
Description : The decimal equivalent of binary 01100001 is ________. 122) A) 9110 B) 9710 C) 11510 D) 10110
Last Answer : B) 9710
Description : The decimal equivalent of binary 10111110 is ________. 120) A) 19010 B) 20010 C) 18610 D) 1
Last Answer : A) 19010
Description : The decimal equivalent of hexadecimal 1E is ________. 119) A) 3510 B) 3010 C) 2910 D) 21
Last Answer : B) 3010
Description : The decimal equivalent of hexadecimal FF is ________. 117) A) 25010 B) 24010 C) 25510 D) 22510
Last Answer : C) 25510
Description : Convert octal 107 to decimal. 114) A) 7710 B) 10110 C) 7110 D) 9710
Last Answer : C) 7110
Description : The hexadecimal equivalent of decimal 21 is ________. 105) A) 1516 B) 1016 C) 2116 D) 1216
Last Answer : A) 1516