Operating System - Study Mode

[#336] While working with MS-DOS, which command will you use to transfer a specific file from one disk to another?
Correct Answer

(B) COPY

Explanation

Solution: For a specific file to copy from one disk to another disk, Copy command should be used. Diskcopy copies whole disk into new disk. Time command is to display system time and Rename command just changes the name of a file.

[#337] What is the name of the operating system for the laptop computer called MacLite?
Correct Answer

(D) OZ

Explanation

Solution: Oz is a concurrency-oriented language, as the term was introduced by Joe Armstrong, the main designer of the Erlang language. A concurrency-oriented language makes concurrency easy to use and efficient. Oz supports a canonical graphical user interface (GUI) language QTk.

[#338] In which addressing mode the contents of a register specified in the instruction are first decremented, and then these contents are used as the effective address of the operands?
Correct Answer

(D) auto decrement

Explanation

Solution: Auto decrement mode the contents of a register specified in the instruction are first decremented, and then these contents are used as the effective address of the operands

[#339] What is the name given to the values that are automatically provided by software to reduce keystrokes and improve a computer user's productivity?
Correct Answer

(C) Default values

Explanation

Solution: Default values are automatically provided by software to reduce keystrokes and improve a computer user's productivity.

[#340] Page stealing . . . . . . .
Correct Answer

(B) is taking page frames from other working sets

Explanation

Solution: Page stealing is taking page frames from other working sets. When pure demand paging is used, pages are loaded only when they are referenced.