Below is the full Quizmo quiz devoted to the theme "The Computer": each question, its four options, the correct answer highlighted and, where available, its source. A chance to brush up on your general knowledge and then test what you know.
▶ Play today's quizIn computing, what does the abbreviation CPU stand for?
Source: The CPU is the chip that carries out a computer's instructions, its true workhorse.
Which device do you slide across a desk to point and click?
Source: The mouse got its name because its cable looked like a rodent's tail.
When typing a web address, what do the letters 'www' stand for?
Source: The World Wide Web is just one service running on top of the wider internet.
Which computer part briefly holds data while programs are running?
Source: RAM forgets everything the moment you cut the power, unlike a hard drive.
Among home computers, what do the letters 'PC' usually stand for?
Source: 'PC' entered everyday speech after IBM's 1981 Personal Computer.
Which technology company created the Windows operating system?
Source: Microsoft launched Windows in 1985 as a graphical layer over MS-DOS.
The classic 'Save' icon in software pictures which old storage object?
Source: Most people saving files today have never touched the floppy disk on the icon.
Which of these units is used to measure a computer's storage space?
Source: Gigabytes measure storage; gigahertz measure speed, and it's easy to mix them up.
Chrome, Firefox and Safari are all examples of what kind of software?
Source: Browsers display the web; search engines like Google simply run inside them.
What do we call the small clickable picture that opens a program?
Source: The word 'icon' comes from the Greek for 'image'.
In which decade was the room-sized ENIAC computer first switched on?
Source: ENIAC, unveiled in 1945, filled a room and weighed roughly 30 tonnes.
Who is credited with inventing the very first computer mouse?
Source: Douglas Engelbart demoed the mouse in 1968, decades before it went mainstream.
The first computer 'bug' was reportedly a real example of which insect?
Source: Engineers found a real moth stuck inside a 1947 computer, the original 'bug'.
How many bits make up a single byte of data?
Source: Eight bits per byte is why one byte can represent 256 different values.
Which colour model do screens combine to display all their colours?
Source: Screens mix red, green and blue light; printers instead rely on CMYK inks.
What does a modem mainly allow a home computer to do?
Source: 'Modem' is short for modulator-demodulator, translating signals for the line.
In the company name IBM, what does the letter 'M' stand for?
Source: IBM stands for International Business Machines, a firm founded back in 1911.
Before electronics, the word 'computer' originally referred to what?
Source: 'Computers' were once people, often women, hired to do calculations by hand.
In software design, what does the acronym GUI actually stand for?
Source: A GUI replaced typed commands with windows, icons and clickable buttons.
Which popular programming language was named after a type of coffee?
Source: Java was reportedly named after the coffee its creators kept drinking.