computer
Computer (noun) means an electronic device that processes data, runs programs, and carries out calculations — from a desktop or laptop to the machine running behind a phone app. Example: “She bought a new computer for editing video.”
How to use computer
Learner’s notesIn plain EnglishA machine that processes information and runs programs — though the word originally described a human calculator, not a device.
In modern English, "computer" almost always means the machine; the old sense (a person who calculates) is now historical.
Trace the full origin ↓Word forms
computered past tense, computers plural, computers singular
Fill the gap
Can you complete this real example?
She bought a new _____ for editing video.
Etymology
From compute + -er. Originally, from the 1600s, it meant a person who computes — the machine sense only took over around the end of the 19th century.
Synonyms
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Rhymes for computer
See all rhymes for computer →Frequently asked questions
What does “computer” mean?
The word “computer” means an electronic device that processes data, runs programs, and carries out calculations — from a desktop or laptop to the machine running behind a phone app. In plain terms, a machine that processes information and runs programs — though the word originally described a human calculator, not a device.
How do you pronounce “computer”?
“Computer” is pronounced kuhm-PYOO-tuh (/kəmˈpjutɚ/ in IPA).
How do you use “computer” in a sentence?
Here is “computer” used in a sentence: “She bought a new computer for editing video.”
What is another word for “computer”?
Words with a similar meaning to “computer” include 'puter, box, calculator, data processing machine, electronic brain and electronic computer.
What part of speech is “computer”?
“Computer” is a noun.
Where does the word “computer” come from?
The word “computer” dates back to around 1600. From compute + -er. Originally, from the 1600s, it meant a person who computes — the machine sense only took over around the end of the 19th century.
Is “computer” a common word?
“Computer” is a very common word in modern English, usually learned at around the A1 level.
How many meanings does “computer” have?
“Computer” has 2 distinct senses listed in this dictionary. The most common is: an electronic device that processes data, runs programs, and carries out calculations — from a desktop or laptop to the machine running behind a phone app.
What are the main types of computers?
Everyday types include desktops, laptops, tablets and smartphones, all built around the same basic idea. Larger categories cover servers, which power websites and networks, and mainframes and supercomputers used by big organisations for heavy processing. Tiny embedded computers also run inside cars, appliances and countless other devices.
What is the difference between hardware and software?
Hardware is the physical part of a computer — the screen, keyboard, chips and drives you can touch. Software is the set of programs and instructions that tell the hardware what to do, from the operating system to individual apps. Hardware is the body; software is the thinking that drives it.
What are the main parts of a computer?
At its core, a computer has a processor (CPU) that does the calculations, memory (RAM) that holds data in use, and storage such as a drive or SSD that keeps files long term. Add input devices like a keyboard and mouse, and output devices like a screen, and you have a working system.
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