How Big Is a 0 or 1? Meet the Bit
A bit is one of the smallest units of binary information and can represent 0 or 1.
Computer World
Explore hardware, data, and how computers work together.
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47 articles
How Can a Computer Run Many Programs at Once?
A CPU quickly switches between programs, while multiple cores can process tasks at the same time.
How Do Keyboards and Mice Tell a Computer What We Mean?
Keyboards and mice turn presses, movement and clicks into digital signals.
How Do We Convert Binary to Decimal?
To convert binary to decimal, mark the place values 1, 2, 4, 8 and add the places containing 1.
How Do We Convert Decimal to Binary?
To convert a decimal number to binary, repeatedly divide by 2 and read the remainders backwards.
How Does Binary Counting Work?
Binary uses only 0 and 1; its place values are 1, 2, 4, 8 and 16.
How Does a Computer Understand Chinese?
Chinese characters are represented through character encodings too.
How Does a CPU Execute a Program Step by Step?
A program eventually becomes machine instructions that a CPU can execute.
Why Do Different Files Need Different Apps?
Different file formats organize data in different ways.