Computer Science Repeated MCQS of PPSC & FPSC

131. The ability to recover and read deleted or damaged files from a criminal’s computer is an example of a law enforcement specialty called___________?

A. robotics
B. simulation
C. computer forensics
D. animation

132. Where does most data go first with in a computer memory hierarchy ?

A. RAM
B. ROM
C. BIOS
D. CACHE

133. The_____________data mining technique derives rules from real-world case examples?

A. Rule discover
B. Signal processing
C. Neural nets
D. Case-based reasoning

134. _____________are used to identify a user who returns to a Website?

A. Cookies
B. Plug-ins
C. Scripts
D. ASPs

135. Codes consisting of lines of varying widths or lengths that are computer-readable are known as__________?

A. an ASCII code
B. a magnetic tape
C. an OCR scanner
D. a bar code

136. Why is it unethical to share copyrighted files with your friends?

A. It is not unethical, because it is legal.
B. It is unethical because the files are being given for free.
C. Sharing copyrighted files without permission breaks copyright laws.
D. It is not unethical because the files are being given for free.

137. Reusable optical storage will typically have the acronym________?

A. CD
B. DVD
C. ROM
D. RW

138. The most common type of storage devices are_________?

A. magnetic storage
B. Flash memory
C. optical
D. Both A & B

139. A device that connects to a network without the use of cables is said to be___________?

A. Distributed
B. free
C. centralized
D. none of these

140. A person who used his or her expertise to gain access to other people’s computers to get information illegally or do damage is a____________?

A. Hacker
B. spammer
C. instant messenger
D. programmer