Computer & IT

note!Answer: C) Both a and b
System tools are utilities that maintain the computer, such as Backup and Disk Defragmenter.

note!Answer: D) Desktop publishing
Desktop publishing software is designed for page layout of complex documents such as newsletters and brochures.

note!Answer: D) Controlling the fuel injection system of an automobile engine
Real-time operating systems are used in embedded control systems, such as an automobile's fuel injection, where responses must occur within strict time limits.

note!Answer: C) Command driven interface, single tasking operating system
MS DOS uses a command-line interface and runs one task at a time.

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) Operating system
BIOS is firmware that starts the computer and provides low-level hardware control for the operating system.

note!Answer: C) Graphical user interface
GUI stands for Graphical User Interface, which uses icons, windows, and menus.

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: B) BIOS
During boot, the BIOS locates and loads the system files from the boot device.

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.