IT用語集

K

Key Performance Indicator KPI A key performance indicator is a single number you have chosen to watch because someone on your team can actually act on it. 解説を読む

S

Scalability Scalability is how well a system keeps its speed as more people use it at the same time, instead of slowing to a crawl. 解説を読む

C

Change Request A change request is anything you ask a software team to add or alter after the price was agreed and the work began. 解説を読む

V

Vendor Lock-In Vendor lock-in is what you discover on the day you try to change supplier and find out how little of your own system you actually own. 解説を読む

W

Web App vs Website The difference between a web app and a website is that a website tells people things, while a web app does real work for them once they sign in. 解説を読む

C

Cross-Platform App A cross-platform app is one system that opens in a browser, on an Android phone and on an iPhone, with all three sharing the same records. 解説を読む

P

Push Notifications A push notification is a short message that lands on someone's phone or browser without them opening your app, which is why they have to give permission first. 解説を読む

D

Data Synchronisation Data synchronisation is the work of keeping the same numbers on every device, so the phone in a van and the office computer never disagree. 解説を読む

J

Job Queue A job queue is the waiting line where a system parks heavy work, like five hundred invoices, so the screens people are using stay fast. 解説を読む

K

KPI Dashboard KPI A KPI dashboard is one screen holding the five or six numbers an owner checks each morning before deciding what to do that day. 解説を読む

S

Single Sign-On SSO Single sign-on is one username and password that opens every system a member of staff is allowed to use, on the computer and on the phone. 解説を読む

V

Vulnerability Scan A vulnerability scan is an automatic check that searches a website or an app for weaknesses attackers already know about and reports what it finds. 解説を読む

U

User Acceptance Testing UAT User acceptance testing is the buyer's own check of a new system before signing it off, run on the real machines over a few ordinary working days. 解説を読む

Z

Zero-Downtime Deployment A zero-downtime deployment puts a new version of a system live while customers keep using it, with a quick way back if something goes wrong. 解説を読む

T

Total Cost of Ownership TCO Total cost of ownership is what a system really costs over five years once hosting, support, changes and training are added to the build price. 解説を読む

M

Mobile Website A mobile website is your ordinary website built to work properly on a phone, so visitors arrive at the same address and have nothing to download. 解説を読む

N

Native App A native app is built in the phone's own language, which makes it fast but means paying for an iPhone version and an Android version separately. 解説を読む

H

Hybrid App A hybrid app is a phone app whose screens are mostly web pages, wrapped in a small shell so that it installs from the app store like any other. 解説を読む

W

WebView App A WebView app is a phone app whose screens are your live website shown inside a window, with the browser address bar taken away. 解説を読む

A

App Localization App localization is making an app feel as if it were built in the country using it, from its language and screen direction to its dates and prices. 解説を読む

M

Minimum Viable Product MVP A minimum viable product is the first real version of an app, built to do the one job that matters most so everything else can wait. 解説を読む

A

App Store Review App store review is the check that Apple and Google run on every app and every update before they let it into their store. 解説を読む App Store Optimization ASO App store optimization is the work of getting your app to show up in the App Store and Google Play when someone searches for the thing it does. 解説を読む App Ratings and Reviews App ratings and reviews are the stars and short comments on your store page that most people judge your app by in about three seconds. 解説を読む

E

Enterprise App Distribution Enterprise app distribution is the way a company puts its own app straight onto staff phones, without ever listing it in the public App Store or Google Play. 解説を読む

K

Kiosk Mode Kiosk mode is a setting that locks a phone or tablet onto one app, so whoever is holding it can do the job and nothing else. 解説を読む

O

Over-the-Air Update OTA An over-the-air update is a change you make on your own server that every phone picks up by itself, without anyone downloading a new version from the store. 解説を読む

F

Forced Update A forced update is the screen that stops an app until the newest version is installed, because the older one can no longer work with your system. 解説を読む

A

App Download Size App download size is the number of megabytes someone has to spend before your app will even open on their phone for the first time. 解説を読む App Maintenance Cost App maintenance cost is the money you spend every year after launch to keep an app working, and it is the part owners forget to budget for. 解説を読む

U

Uninstall Rate Uninstall rate is the share of people who delete your app after installing it, and the fastest honest signal that something on the first screen is wrong. 解説を読む

P

Push Notification A push notification is a short message your system sends to a phone while your app is closed, so the person reads it without opening anything. 解説を読む

D

Deep Link A deep link is an address that opens one exact screen inside an app, such as a single invoice, instead of leaving the person on the home screen. 解説を読む

I

In-App Purchase IAP An in-app purchase is a payment made inside a phone app through the store's own billing, where Apple or Google keep 15 to 30 percent. 解説を読む

O

Offline Sync Offline sync is the way an app keeps working with no signal, because it saves the work on the phone and sends it up once the network comes back. 解説を読む

P

Password Manager A password manager is a small program that remembers every password for you and keeps them locked away, leaving you just one to memorise. 解説を読む

A

Authenticator App An authenticator app is a free app on your phone that produces the six-digit code a website asks for after your password, so a stolen password is not enough. 解説を読む

S

SIM Swap Fraud SIM swap fraud is a scam in which a criminal moves your phone number onto their own SIM card, so your calls and security codes reach them instead. 解説を読む Social Engineering Social engineering is an attack on the person rather than the computer, where someone uses fear or hurry to talk you into handing over a code or a payment. 解説を読む

I

Invoice Fraud Invoice fraud is a fake or altered supplier bill that gets you to pay a real amount into a bank account the criminal controls. 解説を読む

Q

QR Code Phishing (Quishing) QR code phishing, also called quishing, is a scam where a fake code is stuck over a real one so your phone opens a fake payment page. 解説を読む

S

Security Awareness Training Security awareness training is the short, regular practice that teaches your staff to spot a fake email or phone call before they act on it. 解説を読む

M

Malware Malware is any program written to damage your computer or to work quietly for someone else while you carry on using it. 解説を読む

R

Ransomware Ransomware is a program that locks every file on a company's computers and then demands a payment before it will hand them back. 解説を読む

K

Keylogger A keylogger is a hidden program that records every key someone types on a computer, including the password to the company bank account. 解説を読む

B

Backup A backup is a second copy of your files, kept somewhere safe from whatever destroys the first copy, so you can get your work back. 解説を読む

D

Disaster Recovery Plan DRP A disaster recovery plan is a short written document that says exactly what your business does, and who does it, on the morning the systems stop working. 解説を読む

L

Least Privilege Least privilege means each person can open only the screens their own job needs, so a stolen account cannot reach the rest of the business. 解説を読む