Cool MateComputer vs Device vs Laptop vs Machine
When to use each in English, with meaning, register, and examples.
Computer
Device
Laptop
Machine
| Computer | Device | Laptop | Machine | |
|---|---|---|---|---|
| Pronunciation | 🇬🇧 /["/kəmˈpjuːtə(r)/"]/🇺🇸 /["/kəmˈpjuːtər/"]/ | 🇬🇧 /["/dɪˈvaɪs/"]/🇺🇸 /["/dɪˈvaɪs/"]/ | 🇬🇧 /["/ˈlæptɒp/"]/🇺🇸 /["/ˈlæptɑːp/"]/ | 🇬🇧 /["/məˈʃiːn/"]/🇺🇸 /["/məˈʃiːn/"]/ |
| Meaning | A machine that can store and process information. | A tool or machine used for a specific purpose. | A small computer that you can use on your lap. | A machine is a device that uses energy to do work or perform a task. |
| Example | I use my computer to complete my homework. | I use a smartphone as my main device for communication. | I opened my laptop and started typing. | The machine was broken, so we couldn't finish our work. |
| Register | Neutral | Neutral | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 1,000 (very common) | Top 3,000 (common) | Top 1,000 (very common) |
| CEFR level | A1 | A2 | A2 | A1 |
| Part of speech | noun | noun | noun | noun |
| Collocations | fast, high-speed, powerful, access, operate, run, run, work, hold something, network, program, system, on (a/the) computer | clever, ingenious, labour-saving/labor-saving, be fitted with, have, connect, comprise something, consist of something, be designed to, device for, clever, ingenious, labour-saving/labor-saving, be fitted with, have, connect, comprise something, consist of something, be designed to, device for | charge a laptop, laptop bag, laptop screen, open a laptop, laptop computer | giant, great, huge, operate, run, use, go, work, break down, operator, parts, tool, by machine, in a/the machine, on a/the machine, a make of machine, party, political, marketing, politician, politics, a cog in the machine, a well-oiled machine |
| Antonyms | human, person | disuse, neglect | desktop, tower | human, organism |
| Common mistakes | Confused with 'laptop' which is a type of computer., Using 'computer' as a verb (it's only a noun)., Incorrectly spelling 'computer' as 'computor'. | Confused with 'devise', which means to create or plan something., Using 'device' as a verb; it is only a noun., Assuming all devices are electronic; can refer to any tool. | Confused with 'notebook' — notebooks can refer to both computers and paper notepads., Using 'laptop' as a verb, which is incorrect. | Confusing 'machine' with 'mechanism'—a mechanism is a part of a machine., Using 'machine' to refer to non-mechanical items like software., Overgeneralizing 'machine' to include tools that don't use power. |
| Usage notes | Used in both formal and informal contexts. Appropriate in discussions about technology, education, and everyday tasks. Avoid using in slang-heavy or overly casual conversations. | Used to refer to gadgets or instruments, often in technology. More common in tech contexts. Avoid in very casual settings where simpler terms (like 'thing') might be used. | Use 'laptop' in both formal and casual contexts. It's appropriate in offices, schools, and homes, but avoid slang settings. | Use 'machine' for mechanical devices like cars or computers. Avoid using it for living beings or to describe simple tools. |
Frequently asked questions: Computer vs Device vs Laptop vs Machine
What's the difference between Computer, Device, Laptop, and Machine?
Computer: A machine that can store and process information. Device: A tool or machine used for a specific purpose. Laptop: A small computer that you can use on your lap. Machine: A machine is a device that uses energy to do work or perform a task.
Are Computer, Device, Laptop, and Machine the same CEFR level?
Computer: A1, Device: A2, Laptop: A2, Machine: A1 on the CEFR scale.
What part of speech are Computer, Device, Laptop, and Machine?
Computer: noun, Device: noun, Laptop: noun, Machine: noun.
Can you show an example of each?
Computer: I use my computer to complete my homework. Device: I use a smartphone as my main device for communication. Laptop: I opened my laptop and started typing. Machine: The machine was broken, so we couldn't finish our work.
Can I use Computer, Device, Laptop, and Machine interchangeably?
Not always. Computer, Device, Laptop, and Machine are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.