Microsoft-Windows-Vista Certification Exam 70-620

Which of the following is the method by which a person communicates with a
computer?

A. Preemptive multitasking
B. Graphical user interface (GUI)
C. Source
D. Cooperative multitasking
Answer: B
Explanation:
The user interface is the method used to communicate with a computer.70-620 GUIs use a
mouse, touch pad, or keyboard to interact with the computer to issue commands.

Incorrect Answers:
A: This is a multitasking method in which the operating system allots each application a
certain amount of processor time and forcibly takes back control and gives another
application or task access to the processor.sy0-101
C: The source is the actual code that defines how a piece of software works.
D: This is a multitasking method that depends on the application itself to be responsible
for using and then freeing access to the processor.

References:
David Groth and Dan Newland, A+ Complete Study Guide (Second Edition), Sybex Inc,
Alameda, CA, 2001, pp. 479