Choose the appropriate answer. What devices … you use?

314. Choose the right form of the verb. Macs __________ with one clear aim: to facilitate interaction with the computer.
were designed
was designed
is designed
is being designed


315. Choose the proper terms. The background of the screen is called the _______, which contains labeled pictures called ________.
desktop / icons
files / folders
user / interface
software / open source


316. Choose the right ending for the sentence. Open source means ___________ .
anybody can copy its source code, change it and distribute it
a multi-user system, found on mainframes and workstations
created by Apple and used on Macintosh computers
you can run several programs and do various tasks at the same time


317. Answer the question. What is the desktop?
the background screen that displays icons and folders
a scrollable viewing area on screen; it can contain files and folders
a picture representing an object; for example, a document, program folder
a directory that holds data, programs and other folders


318. Answer the question. What is the window?
a scrollable viewing area on screen; it can contain files and folders
the background screen that displays icons and folders
a picture representing an object; for example, a document, program folder
a directory that holds data, programs and other folders


319. Answer the question. What is the icon?
a picture representing an object; for example, a document, program folder
a scrollable viewing area on screen; it can contain files and folders
the background screen that displays icons and folders
a directory that holds data, programs and other folders


320. Answer the question. What is the folder?
a directory that holds data, programs and other folders
a picture representing an object; for example, a document, program folder
a scrollable viewing area on screen; it can contain files and folders
the background screen that displays icons and folders
a directory that holds data, programs and other folders