Operating System (OS)
A bar that inform you the available options in your computer, opened applications, background running applications and can be used to switch between applications quickly is

Tool bar
Status bar
Task bar
Menu bar

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Operating System (OS)
Which of the following is true for machine language.

Repeated execution of program segments
the language which communicates with the computer using only the binary digits 1 and 0.
Depicting flow of data in a system
None of these
A sequence of instructions which, when followed properly, solves a problem

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