May 2019
Beginner to intermediate
296 pages
6h 58m
Japanese
Content preview from IT用語図鑑 ビジネスで使える厳選キーワード256
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219
6
I
T
関連用語
用語に関連する話
用語の使用例
IC
（集積回路）
小さな部品の組み合わせ
構 成が 決まっている部 品を 1 つ ずつ 組み合わ せ ずに、1 枚 のチップとして作った電子回
路を IC（集積回路）と言う。現代のコンピュータで使われている回路は、ほとんど IC であ
る 。 集 積 回 路 を 使うことで 、コ ストを 削 減 で きる だ け で なく、 サ イズ も 小 さくなり処 理 効 率 が
上 が ることが 期 待 できる 。 組 み 立 てることによる 故 障 を 防 げ るというメリットもある。
「こんなに小さなチップで高速に処理するってICはすごいね。」
LSIとの違い
たくさんのIC を高密度で詰め込
んだものをLSI（大規模集積回路）
と言う。最近のCPUなどはさら
に密度が高いことからVLSIや
ULSIと呼ばれる。
普及するICカード
カードにIC チップを埋め込んだ
ICカードは、電車の改札などでの
決済やクレジットカード、携帯電
話のSIM カードなど幅広い分野
で使われている。
I D カード
ID カードは身分証明書のことで
社員証などを指す。最近は ID カー
ドの中にIC チップを入れること
で大容量の記憶が可能で、セキュ
リティ面でも優れている。
Keyword
194
▶
あ い し ー（ し ゅ う せ き か い ろ ）
CPUとGPU
……P66
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.