Translation guide
A host computer is a main computer that provides services or resources to other computers or devices on a network. In Japanese, the term is often expressed with loanwords or technical compounds.
The central computer that manages or serves other devices in a network.
The most direct loanword equivalent, widely understood in IT contexts.
このネットワークのホストコンピューターはどれですか？
Which one is the host computer for this network?
Shortened form, common in technical conversations when context is clear.
ホストに接続できません。
Cannot connect to the host.
Often used interchangeably when the host acts as a server, though technically distinct.
サーバーがダウンしています。
The server is down.
A computer that runs software or stores data accessed by other machines.
Emphasizes the physical machine aspect, common in system administration.
ホストマシンのスペックを教えてください。
Please tell me the specs of the host machine.
Again, the shortened form is natural when the context is clear.
このアプリのホストはどこですか？
Where is the host for this app?
A powerful computer used by organizations for critical applications, bulk data processing, etc.
Also used for mainframes in legacy systems.
銀行のホストコンピューターは24時間稼働しています。
The bank's host computer operates 24 hours a day.
Specifically refers to a mainframe computer, often used in enterprise contexts.
このシステムはメインフレームで動いています。
This system runs on a mainframe.