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WorksheetsIngots - Data storage
Total questions: 20
Worksheet time: 10mins
A single character requires how much storage?
1 KB
1 Byte
1 bit
1 MB
How much storage will be required by a six letter word?
6 KB
6 bits
6 Bytes
6 MB
Which of the following technologies uses light to store data?
Optical storage
Magnetic storage
Solid state storage
Cloud storage
Which of the following technologies is used in a floppy disk ?
Optical storage
Magnetic storage
Solid state storage
Cloud storage
Which of the following technologies is used in a USB pen drive ?
Optical storage
Magnetic storage
Solid state storage
Cloud storage
Which of the following technologies is used in a SD card?
Optical storage
Magnetic storage
Solid state storage
Cloud storage
Google Drive is an example of which of the following technologies?
Optical storage
Magnetic storage
Solid state storage
Cloud storage
Which of the following technologies has no moving parts?
Optical storage
Magnetic storage
Solid state storage
Cloud storage
Which of the following are types of file compression?
Lossy
Lossless
Reduce
Minimise
Which of the following types of compression makes the smile smaller by reducing quality?
Lossy
Lossless
Reduce
Minimise
Creating a copy of data in case of loss or damage to the original is called what?
Storage
Memory
Backup
Restore
A backup which makes a copy of the entire source data is called what?
Incremental backup
Full back up
Partial backup
Temporary backup
A backup which makes a copy of all new or modified files is called what?
Incremental backup
Full back up
Partial backup
Temporary backup
Which of the following are true of an incremental backup?
Takes up more space
Faster to restore files
Quicker to backup
Slow to restore data
Which of the following are true of an full backup?
Takes up more space
Faster to restore files
Quicker to backup
Slow to restore data
Converting data into an unreadable code to prevent unauthorised access is called what?
Encryption
Coding
Suppression
Decryption
Before it is encrypted the source file is called what?
Plain text
Cipher text
Algorithm
Symmetric
Whiles encrypted the file is called what?
Plain text
Cipher text
Algorithm
Symmetric
The cheapest form of storage per GB of data is?
DVD
Magnetic tape
SSD
CD
Which of the following technologies is used in a DVD ?
Optical storage
Magnetic storage
Solid state storage
Cloud storage
