Lesson 4.5.3.1
4.5.3.1 Bits and bytes Quiz: AQA Computer Science, Unit 5
20 questions
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Lesson 4.5.3.1, Bits and bytes: 20 multiple choice questions for the AQA Computer Science (7517), Unit 5: Fundamentals of data representation, written with Revision Ninja.
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The 20 questions
-
How many bits are in a byte?
- 10
- 16
- 4
- 8
-
What is the fundamental unit of information in a computer system?
- Nibble
- Byte
- Bit
- Word
-
How many different values can be represented with n bits?
- n x 8
- n^2
- 2n
- 2^n
-
Which is the fundamental unit of information?
- The kilobyte
- The 16-bit word
- The byte
- The bit
-
How many different patterns can 3 bits be configured in?
- 3
- 8
- 6
- 9
-
How many bytes are in 1 KiB?
- 512 bytes
- 2048 bytes
- 1024 bytes
- 1000 bytes
-
What numerical value is represented by the decimal prefix kilo?
- 10^6
- 10^3
- 2^20
- 2^10
-
How many bytes are in 2 KiB?
- 1024
- 4096
- 2048
- 2000
-
How many bytes are in 1 MB when M is the decimal prefix?
- 1,048,576 bytes
- 1,000,000 bytes
- 1,024 bytes
- 10,000 bytes
-
How many bits are in 5 bytes?
- 50
- 13
- 40
- 5
-
A file is 3,072 bytes in size. How many KiB is this?
- 3 KiB
- 3,000 KiB
- 30 KiB
- 3.5 KiB
-
How many bits are needed to store 300 different values?
- 10
- 9
- 300
- 8
-
How many distinct values can 6 bits represent?
- 32
- 12
- 36
- 64
-
How many gibibytes is 8,589,934,592 bytes?
- 1 GiB
- 64 GiB
- 8 GiB
- 16 GiB
-
How many bytes are in 1 TiB, using the binary prefix tebi?
- 10^12 bytes
- 2^40 bytes
- 10^9 bytes
- 2^30 bytes
-
What is the minimum number of bits needed to store one million distinct values?
- 19
- 10
- 20
- 24
-
How many bytes are in one kibibyte (1 KiB)?
- 1024
- 1048576
- 1000
- 100
-
A 16-bit unsigned integer can store how many distinct values?
- 32,768
- 65,536
- 16,384
- 16
-
Which data storage quantity represents the greater number of bytes?
- 500 GiB
- 500 KB
- 500 GB
- 500 MB
-
How many bits are in 1 MiB?
- 8,000,000 bits
- 1,000,000 bits
- 1,048,576 bits
- 8,388,608 bits
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