Operating System - Study Mode

[#291] To move to the beginning of a line of text, press the __________ key.
Correct Answer

(D) Home

Explanation

Solution: Home - Go to the beginning of the line, paragraph or document. Ctrl + Home - Pressing Ctrl and Home at the same time take you to the very beginning of the document, text, worksheet, or page. With languages that write left-to-right, pressing Ctrl + Home move to the top-left of the page.

[#292] When was MS Windows operating system introduced?
Correct Answer

(B) 1985

Explanation

Solution: Microsoft Windows is a group of several graphical operating system families, all of which are developed, marketed, and sold by Microsoft. Microsoft introduced an operating environment named Windows on November 20, 1985, as a graphical operating system shell for MS-DOS in response to the growing interest in graphical user interfaces (GUIs). Source : wikipedia.org

[#293] First operating system was developed in
Correct Answer

(C) 1956

Explanation

Solution: The first operating system used for real work was GM-NAA I/O, produced in 1956 by General Motors' Research division for its IBM 704.

[#294] The maximum length of any single path from the root directory?
Correct Answer

(B) 63

Explanation

Solution: The maximum length of any single path from the root directory is 63.

[#295] The part of machine level instruction, which tells the central processor what has to be done, is
Correct Answer

(A) Operation code

Explanation

Solution: The part of machine level instruction, which tells the central processor what has to be done, is Operation code