The word 'app' is short for what?
AnswerApplication
'App' is short for application, a program designed to perform tasks for the user.
Tech · Facts & stats
Apps facts & stats
7 fact-checked facts about apps and smartphones, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
How many bits make up one byte?
Answer8
A byte is a group of 8 bits, each bit being a 0 or a 1.
Going deeper
What does API stand for?
AnswerApplication Programming Interface
An Application Programming Interface defines how one piece of software can request data or actions from another.
Most smartphone touchscreens detect your finger by sensing what?
AnswerChanges in electrical charge (capacitance)
Capacitive touchscreens sense the small change in electrical charge caused by a conductive fingertip.
Which phone sensor lets an app detect when the phone is shaken?
AnswerAccelerometer
An accelerometer measures changes in speed and direction, so it detects shaking and the pull of gravity.
Expert level
What is the minimum number of GPS satellites a receiver needs to fix a 3D position?
Answer4
Three satellites give position, and a fourth is needed to correct the receiver's clock error.
A kibibyte (KiB) contains exactly how many bytes?
Answer1,024
A kibibyte is 2 to the 10th power, 1,024 bytes, while a kilobyte in SI terms is 1,000 bytes.
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