Share Computer science
Save to Folder
What is the smallest unit of data in a digital device?
bit
What is a bit short for?
Binary digit
What values can a binary digit have?
0 or 1
What is the role of a transistor in storing binary data?
It acts as a switch; ON represents 1 and OFF represents 0
How many bits are there in a byte?
8
How many bits are in a nibble?
4
What is a byte typically used to represent in computers?
A single character
How many bytes are in a kilobyte (Kb)?
1000
What is the correct order of storage units from smallest to largest?
Bit, Nibble, Byte, Kilobyte, Megabyte, Gigabyte, Terabyte, Petabyte
What process is used to change kilobytes into megabytes?
Divide by 1000
What process is used to convert gigabytes to bytes?
Multiply by 1000 three times
What does the binary number 01000001 represent in text?
A
What does it mean to process data in a digital device?
To carry out an operation like a calculation or database query
What is the purpose of a backup?
To copy files to another location in case the original is lost or damaged
What does the term "storage units" refer to?
The number of bits used to store a data item
Why is it important to convert storage units?
To check if there is enough space to store a file
