Font size
WorksheetsOCR GCSE Computer Science: 2.6 Data Representations (Part 1)
Total questions: 19
Worksheet time: 16mins
Computers use which number system to represent data?
Binary
Trinary
Decimal
Hexadecimal
Hexadecimal uses numbers...?
0 and 1
0 to 9
0 - 16
0 to 15
How many Bits are there in a Byte?
4
8
16
32
How many Bits are there in a Nibble?
4
8
16
32
1 Megabyte contains...
1,000,000 Bytes
1,000,000 Bits
1,000,000 Kilobytes
1,000,000 Kilobits
Which of the following are equal to 1 Gigabyte
1,000 Kilobytes
1,000 Megabytes
8,000 Megabits
80,000 Kilobits
What is the largest decimal number that can be represented by 8 bits?
64
127
255
256
Convert 1011 to decimal...
8
9
10
11
Convert 9 to Binary...
1100
1001
1111
1011
Convert A6 to Binary...
1001 0110
1010 1001
1010 0110
1111 1001
Why do we use Hexadecimal?
Each hexadecimal digit represents a nibble
It's easier for humans to read than binary
Computers use Hexadecimal so we can use it too
It uses up less memory than decimal
How many bytes are in a kilobyte?
20
100
1000
10000
Convert the binary value 00111011 to hexadecimal
3B
4C
B3
27
What is the effect on a binary number when a binary shift LEFT of FOUR SPACES is applies to it
The number is multiplied by 16
The number is multiplied by 4
The number is divided by 4
The number is divided by 16
