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Worksheets3 Data Representation Methods in the Computer system - Grade10
Total questions: 25
Worksheet time: 13mins
What is the base of the binary number system?
2
8
10
16
Which coding system uses 8 bits to represent a character?
ASCII
Unicode
EBCDIC
BCD
How many digits are there in the hexadecimal number system?
10
12
15
16
What is the binary equivalent of 1210?
11012
11002
11102
10012
Which of the following colors has the RGB code (255, 0, 0)?
Blue
Green
Red
Yellow
In the octal system, the largest digit is:
7
8
9
6
How many bytes are in 1 kilobyte?
512
1000
1024
2048
What is the main purpose of the ASCII coding system?
Represent colors
Represent numeric data only
Represent text characters
Store large files
Which storage unit is the smallest?
Byte
Nibble
Bit
Kilobyte
The hexadecimal representation of 255 is:
10000002
1778
FF16
9916
What does the Unicode coding system primarily aim to solve?
Limited characters in ASCII and EBCDIC
Slow data processing
Lack of color representation
Small data storage capacities
What is the most significant bit (MSB) in the binary number 10101?
1
0
5
2
The hexadecimal value A represents which decimal value?
10
11
12
15
Which is the correct hierarchy of storage sizes (smallest to largest)?
Byte → KB → MB → GB → TB
KB → Byte → GB → MB → TB
Byte → MB → KB → TB → GB
GB → MB → Byte → KB → TB
What is the octal equivalent of the binary number 110102?
658
648
328
358
The binary number 101012 is equivalent to 4210.
True
False
BCD coding is used for representing text characters.
True
False
A nibble is equal to 8 bits.
True
False
The EBCDIC coding system can represent more characters than ASCII.
True
False
1 petabyte is larger than 1 terabyte.
True
False
The base of the octal number system is (a) .
The decimal number 15 is represented as (a) in binary.
1 gigabyte is equal to (a) megabytes.
In the hexadecimal system, F is equal to (a) in decimal.
ASCII uses (a) bits to represent a single character.
