(A) graphical user interface, single-tasking operating
system
(B) graphical user interface, multi-tasking operating
system
(C) command-driven interface, single-tasking
operating system
(D) command-driven interface, multi-tasking
operating system

(A) Bar Codes

(B) Gray Codes

(C) Fire Codes

(D) Mnemonics Codes

(A) Process control

(B) ALU

(C) Register Unit

(D) Process description

(A) the desktop OS has a graphical user interface
whereas the PDA OS does not.
(B) the desktop OS can run several programs
simultaneously whereas the PDA OS cannot.
(C) the desktop OS manages hardware resources
whereas the PDA OS does not.
(D) the desktop computer has an OS whereas a
PDA does not

(A) Laser scanner

(B) Wand

(C) OCR

(D) MICR

(A) Projector

(B) Keyboard

(C) Scanner

(D) Printer

(A) Office XP

(B) Windows XP

(C) Office 2007

(D) Office 2010

(A) Store deleted file

(B) Store temporary file

(C) Store corrupted file

(D) Store Document file

(A) Super computer is much larger than mainframe
computers.
(B) Super computers are much smaller than
mainframe computers.
(C) Supercomputers are focused to execute few
programs as fast as possible while mainframe uses
its power to execute as many programs
concurrently.
(D) Supercomputers are focused to execute as many
programs as possible while mainframe uses its
power to execute few programs as fast as possible.

(A) Hypertext

(B) Network

(C) Internet

(D) Web Browsers