Operating System - Study Mode
[#241] Which of the following is a disk compression tool?
Correct Answer
(A) Drive space
Explanation
Solution: Drive Space is a disk compression utility supplied with MS-DOS starting from version 6.0. The purpose of Drive Space is to increase the amount of data the user could store on disks, by transparently compressing and decompressing data on-the-fly. It is primarily intended for use with hard drives, but use for floppy disks is also supported.
[#242] What does Belady's Anomaly related to?
Correct Answer
(A) Page Replacement Algorithm
Explanation
Solution: In computer storage, Belady's Anomaly is the name given to the phenomenon where increasing the number of page frames results in an increase in the number of page faults for a given memory access pattern. This phenomenon is commonly experienced when using the First in First Out (FIFO) page replacement algorithm.
[#243] A ..... allows you to write on screen with a digital pen and convert that writing into characters that the PC can process
Correct Answer
(B) Tablet PC
Explanation
Solution: A 'Tablet PC' allows you to write on screen with a digital pen and convert that writing into characters that the PC can process.
[#244] Driver is
Correct Answer
(A) Hardware controller
Explanation
Solution: A program that controls a device. Every device, whether it be a printer, disk drive, or keyboard, must have a driver program. Many drivers, such as the keyboard driver, come with the operating system. For other devices, you may need to load a new driver when you connect the device to your computer.
[#245] System files allocated at
Correct Answer
(A) Boot area
Explanation
Solution: Booting is a start-up sequence that starts the operating system of a computer when it is turned on. A boot sequence is the initial set of operations that the computer performs when it is switched on. Every computer has a boot sequence.