Differences between primary and secondary memory
(a) BIT (Binary digit): It is the smallest possible unit of information. It can be either 0 or 1.
(b) NIBBLE: Four bits form one nibble
(c) BYTE: It is a unit of information consisting of fixed number of bits. It is a combination of 8 bits
(d) CHARACTER: It is represented by one byte. It can be a letter, digit, punctuation mark or special characters.
(e) WORD: The combination of 2 bytes or 4 bytes or 8 bytes is a word.
The data measurement
8 bits – 1 byte
1024 bytes – 1 kilobyte (KB)
1024 KB – 1 Mega Byte (MB)
1024 MB – 1 Giga Byte (GB)
1024 GB – 1 Tetra Byte (TB)
|The teacher summarizes the lesson and allows student to ask questions to clear doubts.
1. Convert 144mb to byte
Make a research online about secondary storage devices and uses
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