WorksheetsUnit Test 1 Class 8 Computer
Total questions: 20
Worksheet time: 13mins
The input hexadecimal representation of 1110 is _______________
0111
15
E
14
Convert the binary equivalent 10101 to its decimal equivalent.
21
12
22
31
Which of the following is not a binary number?
1111
10101
11E
0100101
Which of the following is the correct representation of a binary number?
(124)2
1110
(110)2
(000)2
What could be the maximum value of a single digit in an octal number system?
8
7
6
5
The binary number 111 in octal format is ________________
6
7
9
8
Which of the following is not the characteristics of binary number system
Last position in a binary number represents a x power of the base 2. Example 2 x where xrepresents the last position - 1.
Uses two digits, 0 and 1.
Each position in a binary number represents a 0 power of the base 2. Example 20
Also called base 1 number system
Hexadecimal numbers are a mixture of
Binary and octal numbers
Binary and decimal numbers
Letters and decimal digits
Octal and decimal numbers
Convert (22)8 into its corresponding decimal number.
28
18
82
81
The octal equivalent of the binary number (0010010100)2 is ______________
226
242
224
422
Convert (5401)8 to hexadecimal.
A01
A02
B01
C01
Which number system is also called base 16 number system
binary
octal
decimal
hexadecimal
(ABC)16 is a valid hexadecimal number.
True
False
NONE
Which of the following is a characteristics of hexadecimal number system ?
Uses two digits, 0 and 1.
Also called base 8 number system
Letters represents numbers starting from 10. A = 10. B = 11, C = 12, D = 13, E = 14, F = 15.
Last position in an octal number represents a x power of the base 8. Example 8x where x represents the last position - 1.
The number system that we use in our day-to-day life is the ..................................................
................................................ has base 10 as it uses 10 digits from 0 to 9.
Fill the above blank.
Binary Number System
Decimal Number System
Octal Number System
Hexa Decimal Number System
.......................is a number expressed in the base-2 numeral system
Decimal number
Binary number
Hexadecimal number
Octal number
If the number system have only 0,1,2,3,4 digits.
What will be the base of the number system?
base 4
base 10
base 5
base 6
(2)3=(...........)10
2
4
6
8
It has a base of eight and uses the number from 0 to 7. In the number system, are usually represented by binary numbers when they are grouped in pairs of three.
Which number system is this
Octal number
Hexadecimal number
Binary number
Decimal number
What does the symbol D represent in a hexadecimal number system?
8
16
13
14
