Operating System

note!Answer: C) Welcome screen
The Welcome screen in Windows XP lists all user accounts on the computer.

note!Answer: B) Maximize
The Maximize button enlarges a window so it fills the entire screen.

note!Answer: A) source drive
The source drive holds the original files, while the destination drive receives the copies.

note!Answer: D) All of the above
Folders are used to organize files, so you can save, delete, and move them.

note!Answer: B) EDIT
EDIT is an external DOS command that loads a separate file, while DIR, CD and CLS are internal.

note!Answer: B) Combo box
A combo box is a control that combines a text field with a drop-down list.

note!Answer: B) To select single option
Radio buttons let the user choose only one option from a group.

note!Answer: A) Sum
SUM is not a DOS command; CLS, CD and DIR are all valid DOS commands.

note!Answer: A) Copy a:\myfile.doc c:
The syntax COPY source destination copies a:\myfile.doc from the floppy (A:) to the hard disk (C:).

note!Answer: A) Folder
A folder is an organizational container, while Backup, Scandisk and Format are system tools.

note!Answer: B) Run application
Run is used to launch applications and is not a Control Panel item; Printer, Font and Keyboard are.

note!Answer: A) Provides workspace
The desktop is the on-screen workspace where icons, windows and programs are arranged.

note!Answer: D) All of the above
A dialog box is an interactive window that groups options and controls for the user.

note!Answer: A) P11
P11 is not an operating system, while OS/2, Windows and Unix are.

note!Answer: B) Dir
The DIR command lists the contents of a disk or directory.

note!Answer: A) Sys
SYS is the DOS command that copies the system files needed to make a disk bootable.

note!Answer: D) No one of the above
EDIT, XCOPY and SYS are all external DOS commands, so none of the listed options is the exception.

note!Answer: C) Type
The TYPE command displays the contents of a text file on the screen in DOS.

note!Answer: A) MD
MKDIR and MD are both DOS commands that make a new directory.

note!Answer: C) Ms dos
System files such as IO.SYS and MSDOS.SYS are needed to run MS-DOS.