Y7 Computing Key Words, Definitions & Questions
Define 'Bit'
the smallest unit of data in a computer.
Define 'Byte'
1 byte = 8 bits
Define 'Terabyte'
1000 gigabytes
Define 'Megabyte'
1000 kilo bytes
Define 'Gigabyte'
1000 megabytes
Define 'Petabyte'
1000 terabytes
How many bytes, exactly, are there in a kilobyte?
1024
How many bits, exactly, are there in a kilobyte?
1024 * 8 = 8192
Define 'Kilobyte'
1024 bytes or 1024 *8 bits
I have a JPG image file that is 104 KB. How big is it in bytes and bits exactly?
106496 and 851968
How many bits are there in 2 bytes?
16
I have a text file that is 3 KB in size. How big is it in bytes and bits exactly?
3072 and 24576
Why do computers represent data in binary?
A Computer has millions of switches, which only have 2 states: on and off, or 1 and 0.
Where does the word BIT come from?
binary digit
Define 'Nibble'
half a byte or 4 bits
What is half a byte called?
nibble