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Let's practice 30 mcqs on
Number Systems and Codes
mcqs by everyone
Convert the following octal number todecimal.
178
15
82
57
51
Convert the binary number 1100 to Gray code
1010
1100
0011
1001
Convert binary 01001110 to decimal
78
76
116
4e
Decimal 2875 is ________ bytes in binary
4
5
3
2
Overflow can occur if two signed numbers are added and ________
they have opposite signs
they have the same sign
Both of the above
None of the above
Convert the following binary number tooctal.
0011010112
3528
3518
2538
1538
Binary-coded-decimal 0111 1001 0011 is ________ in binary
010110101111
001100011001
001100110011
011110010011
The BCD number for decimal 16 is ________
11100000
00010010
00010000
00010110
Convert 45710 to hexadecimal
2C7
1C9
811
711
Convert the following hexadecimal number tobinary.
14B16
0001010011012
1101010000012
0001010010112
1011010000012
Decimal 474 is ________ in BCD
0110 1011 1001
0100 0111 0100
0100 1011 0101
0100 1001 0011
Convert hexadecimal C0B to binary
110000001011
110100001011
110000001100
110000001001
The binary number for F3A16 is ________
111100111110
111100111010
000011000100
000000111010
Convert 59.7210 to BCD
111011
01011001.01110010
0101100101110010
1110.11
Convert the following decimal number tohexadecimal.
125
7C16
D716
7D16
C716
Convert hexadecimal value C1 to binary
111000100
111000001
1000111
11000001
Decimal 37 is ________ in binary with an even parity bit
11000100
00100101
01001011
10100101
Most computers store data in strings of ________ bits called a ________
8, word
16, byte
8, byte
16, word
Convert the following octal number tobinary.
1048
10000012
00101002
1000000012
0010001002
Assign the proper even parity bit to the code 1100001
01100001
11100001
01110101
1100001
Convert the following hexadecimal number todecimal.
1CF16
4049
4033
463
479
Convert 11001010001101012 to hexadecimal
530121
CA35
53AC1
121035
Which is typically the longest: bit, byte, nibble, word
byte
Nibble
Word
Bit
Convert 5278 to binary
343
101010111
011100111
111010101
Hexadecimal 16 is ________ in decimal
2210
3210
2710
2510
Hexadecimal AA is ________ in decimal
16510
17616
17010
18610
Convert the following decimal number tooctal.
39
748
478
638
368
Which is not a word size
8
64
16
28
Convert the Gray code 1011 to binary
1101
1011
0100
1010
Convert the following decimal number to 8-bitbinary.
35
001000102
000100112
001000112
000100102
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