AQA GCSE Computer Science - 3.3.3 Units of Information

What is the larget unit of information out of the following?

• Terabyte
• Kilobyte
• Megabyte
• Gigabyte

What is a nibble in terms of a byte?

• Half a byte.
• Any unit smaller than a byte
• Four bytes
• Double the size of a byte

How many Megabytes are there in a Gigabyte?

• 1000
• 500
• 1024
• 2000

What is 9600 MB in GB?

• 9.6GB
• 9.375GB
• 10GB
• 9GB

What is the average capacity of a hard disk SSD on a computer?

• 1TB/1000GB
• 250GB
• 500GB
• 100GB

What is the smallest unit of information of the following?

• Bit
• Byte
• Nibble
• Kilobyte

How does a hard drive store information?

• It creates a pattern of de/magnetised regions on the platter.
• Semiconductur chips are used.
• CPU sends it information to store.
• Electrical impulses are sent to the HDD which are coded as 1s and 0s, this is used to store the data.

What is the average size of a smartphone photo?

• 3MB
• 3KB
• 3GB
• 3TB

Which of the following is closest to 2^40 bytes?

• Terabyte
• Gigabyte
• Megabyte
• Petabyte

What is a unit of information in computers?

• A fixed standardized unit which is used to measure the capacity of various systems.
• The capacity of any given storage system.
• A packet.
• The magnitude of a quantity.