Operating System

note!Answer: A) Interrupt
A peripheral device signals the CPU for immediate attention by sending an interrupt.

note!Answer: D) Event
User actions like keystrokes or mouse clicks are called events, which the OS responds to.

note!Answer: D) On the hard drive
Virtual memory uses a reserved area of the hard drive (such as a page file) to extend RAM.

note!Answer: B) Queue of print job that are waiting to print
A print spooler holds print jobs in a queue until the printer is ready to print them.

note!Answer: A) Multitasking
Multitasking is the OS ability to run and manage several programs at the same time.

note!Answer: A) Restarting computer
Booting means starting or restarting the computer so that the operating system loads.

note!Answer: A) Open source
Linux is free, open-source software, so it is an open-source operating system.

note!Answer: C) An illusion of extremely large main memory
Virtual memory uses secondary storage to give programs the illusion of a much larger main memory.

note!Answer: D) BAK
The .BAK extension is conventionally used for backup copies of files.

note!Answer: D) All of the above
UNIX supports time sharing, multiple users, and multitasking.

note!Answer: A) FAT 16
MS-DOS typically used the FAT16 file system.

note!Answer: C) Double clicking
Pressing and releasing the left button twice quickly is called double-clicking.

note!Answer: A) Folder
A folder is a named location on disk used to store files.

note!Answer: B) Address bar
The Address bar, located below the Standard Buttons toolbar, lets you type or choose a location to go to.

note!Answer: B) Media Center Edition
Windows XP Media Center Edition was designed for Media Center PCs.

note!Answer: B) The folder that contains subfolder
A plus sign in Windows Explorer means the folder is collapsed and contains subfolders that can be expanded.

note!Answer: C) C
In MS-DOS, A and B are floppy drives, so the primary hard disk is C.

note!Answer: A) Windows 3.1
Windows 3.1 lacks built-in peer networking, while the other options support networking.

note!Answer: C) MS-DOS
MS-DOS (before extensions) is limited to 8.3 filenames, while the others support long file names.

note!Answer: C) Autoexec.bat
AUTOEXEC.BAT is run automatically at MS-DOS startup to execute commands.