Master all past questions related to Computer Coding System.
45 questions across all exams
If P=1 and Q = 1, find the value of NOT (P and Q).
0
0 and 1
1
1 and 0
The full meaning of BCD is
Basic Coded Decimal
Basic Computer Decimal
Binary Coded Decimal
Binary Coded Digit
The cell labelled I in the table represents
72
74
75
79
The cell labelled II in the table represents
1001101
1010100
1010101
1010110
The ASCII code for the word NOT can be written as
101010010011111001110
100111010011111010100.
C. 10011111010100100
100111010101001111
The ASCII character set represents alphabetical and control characters using numeric codes ranging from
0 to 124
0 to 125
0 to 127
0 to 128
A bit as used in computing in digital communication is
a decimal digit
an octal digit
a binary digit
a hexadecimal digit
In BCD encoding system, 2510 will be represented as
01100101
01010110
00100101
01010010
Digital signals can be represented by: I. Binary Codes II. 0 and 1 III. High and Low. Which of the following options is correct?
I and II only
I and III only
II and III only
I, II and III
A single character in an EBCDIC encoding system can be represented using
4 bits
6 bits
8 bits
16 bits
How many binary digits are contained in 10 MB of a memory stick?
10 × 1024
10 × 1024 × 8
10 × 1024 × 1024
10 × 1024 × 1024 × 8
The BCD equivalent of 135 is
111101
001011101
C. 100110101.
D. 000100110101.
Stored instructions and data in digital computer consist of
alphabets
numerals
characters
bits
The ASCII character set represents alphabetical and control characters using numeric code ranging from
0 to 32
0 to 64
Which of the following hard disk drive memory capacities can store the largest size of data?
2TB
12GB
240MB
800KB
The equivalent of the letter A in the standard ASCII is
01000001
01000010
01100001
01100010
The parts of the EBCDIC are
nibbles and bytes
strings and integers
words and numbers
zone bits and numerical bits
Given that 2610= (X)2, X is
11011
11010
11110
10111
In hexadecimal number system, B, D, E represent
11, 12, 13, respectively
12, 14, 15 respectively
13, 14, 15 respectively
14, 16, 17 respectively
The conversion of 110012 to base 10 equals
30
28
25
20
What is the decimal equivalent of the binary number 10110111?
180
181
183
184
In data base, the minimum number of characters a user can input in the field is known as field
Caption
Format
Name
Text
Convert 687 in decimal to base 16.
2FA16
3BA16
4FT16
CBC16
In hexadecimal number system, B, D and E represent which of the following decimal numbers?
11, 13 and 14 respectively
12, 14 and 15 respectively
13, 14 and 15 respectively
14, 16 and 17 respectively
The conversion of 110012 to base ten equals
910 is equivalent to X8, where X is
7
10
11
12
Converting 4B716 to binary is
0100 1010 01112
0100 1011 01112
0100 1000 01112
0100110001112
The decimal number 1024 in hexadecimal equivalent is
2416
40016
3E816
8BB16
Converting 4B7 hexadecimal to binary is
010010100111two
010010110111two
0100100 00111two
010011000111two
The number 28ten in binary is
1001two
11001two
110011two
11100two
The hexadecimal number 13, expressed as a binary number is
00010011
00101100
00010110
00100100
Multiply 1012 by 112
10012
10112
11102
11112
The equivalent of the decimal number 89 in base 4 is
1021
1201
1211
1121
A single hexadecimal digit is represented by
one bit
two bits
four bits
eight bits
0.1011
0.1111
C. 0.1111.
D. 0.1001.
Evaluate 100112 − 11112.
00102
001002
010002
100002
0.8125
0.8215
0.8225
0.8512
In number system, base 16 is called
hexadecimal
decimal
duodecimal
octal
Add 12716 to 50A16.
62916
63016
63116
63216
0.110011
B. 0.110101.
C. 101101.
D. 101110.
The radix of hexadecimal number system is
2
8
16
In binary, the decimal number 28 is represented as
110012
110112
11002
The number B&F is written in
binary system
decimal system
hexadecimal system
octal system
The binary number 100101 can be written in denary as
37
45
211
Convert 70 from base ten to octal.
0188
1068
6018
8108