WorksheetsDigital Data Storage
Total questions: 20
Worksheet time: 10mins
Smallest unit of data:
byte
bit
kilobyte
nibble
A ________ is a group of 8 bits.
nibble
byte
kilobyte
Yottabyte
____________ is a permanent memory.
RAM
ROM
Hard Disk
CD
Data gets erased when the computer is switched off (Volatile memory)
ROM
Memory Card
RAM
Blu - Ray
Which of these is NOT a Storage Device?
USB Flash Drive
CD-R
Digital Camera
Floppy Disk
Which of the following would not be suitable for Lossy Compression?
Images
Sounds
Videos
Text
Compression in general makes it _______ to send, upload and stream data
Quicker
Slower
3.5MB is how many bytes?
3,500
3,500,000
3,500,000,000
350,000
Which among the choices is optical storage ?
Which among the choices is magnetic storage ?
Which among the choices is solid state storage ?
What type of storage is a DVD ROM?
Optical
Magnetic
Solid State
It is not a storage device
Which of the following storage media would usually have the fastest read/write speeds?
Optical
Magnetic
Solid State
Hand
Why is a Hard Disk Drive (HDD) more likely to break if moved?
It has moving parts
It is too large
It will break if touched
It is too small
Why does a laptop need secondary storage?
To reduce the amount of virtual memory it needs
To store data, files and software for future use
To make the laptop run faster
To store data that the processor needs
Which type of storage uses lasers to write the data?
Optical
Magnetic
Solid State
All types
The typical read/write speed of storage are listed below from fastest to slowest. Which is correct?
Solid State
Optical
Magnetic
Optical
Magnetic
Solid State
Magnetic
Optical
Solid State
Solid State
Magnetic
Optical
Which one is the advantage of cloud storage?
The user has no control over their data
Many programs can be run at the same time, regardless of the processing power of your device
Accessible anywhere with an internet connection
Cloud storage is free for all users
