21. ____ is the operating systems File and folder Manager Windows Explorer Windows Control Panel My Computer My Documents ✅ The correct answer is A.
22. Information in a memory that is no longer valid or wanted is known as non-volatile volatile surplus garbage ✅ The correct answer is D.
23. The ……. is a temporary storage area in memory where you can attach text or graphics information Clipboard Copyboard Both a and b None of above ✅ The correct answer is A.
24. Which of the following software types is used to simplify using systems software? spreadsheet operating environment timesharing multitasking ✅ The correct answer is C.
25. Which of the following concept is best to preventing page faults? Paging The working set Hit ratios Address location resolution ✅ The correct answer is B.
26. A program that converts a high-level language program to a set of instructions that can run on a computer is called a Compiler Debugger Editor All of the above ✅ The correct answer is A.
27. The computational technique used to compute the disk storage address of individual records is called: bubble memory key fielding dynamic reallocation hashing ✅ The correct answer is D.
28. A self-relocating program is one which cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation. consists of a program and relevant information for its relocation. can itself performs the relocation of its address-sensitive portions. All of the above ✅ The correct answer is C.
29. While running DOS on a PC, which command would be used to duplicate the entire diskette? COPY DISKCOPY CHKDSK TYPE ✅ The correct answer is B.
30. Part of the POST process is to ensure that the test of essential peripheral device coincides with the hardware configuration that stored in ROM The hard drive CMOS Cache Memory ✅ The correct answer is C.