Englishfor English speakers
Windows
—
noun
(trademark) an operating system with a graphical user interface
PC
—
noun
(= personal computer)
a small digital computer based on a microprocessor and designed to be used by one person at a time
accelerator
Noun
—
An accelerator is the pedal in a vehicle which you step on to make it go faster.
He took his foot off the accelerator and the car started to slow down.