Computer knowledge MCQ-9

Question No:1

The overhead using BRI is _____ per cent of the total data rate.

(A) 10
(B) 20
(C) 30
(D) 40
(E) None of these

Question No:2

……… refers to a computer’s ability to configure and use a device without human interaction.

(B) Plug and Play
(C) Cache
(E) None of these

Question No:3

An error in a computer program is called ……… .

(A) crash
(B) power failure
(C) bug
(D) virus
(E) bugger

Question No:4

……… is the process of sending same e-mail message to a selected group of recipients.

(A) Multicasting
(B) Spamming
(C) Webcasting
(D) Broadcasting
(E) None of these

Question No:5

Several computers linked to a server to share programs and storage space :

(A) Network
(B) grouping
(C) library
(D) integrated system
(E) None of the above

Question No:6

___ is a method in which multiple communication devices are connected to one another efficiently.

(A) Switching
(B) Redundancy
(C) Capacity
(D) Detecting
(E) None of these

Question No:7

CD-ROM stands for:

(A) Compactable Read Only Memory
(B) Compact Data Read Only Memory
(C) Compactable Disk Read Only Memory
(D) Compact Disk Read Only Memory
(E) None of these

Question No:8

……… programs search for and eliminate viruses.

(A) Antivirus
(B) Security
(C) Malware
(D) System
(E) None of these

Question No:9

A computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as:

(A) Super computer
(B) Mini computer
(C) Micro computer
(D) Macro computer
(E) Mainframe computer

Question No:10

Firewalls are used to protect against……… .

(A) Unauthorized Attacks
(B) Virus Attacks
(C) Data Driven Attacks
(D) Fire Attacks
(E) All of these

Question No:11

Transistors were first used in

(A) 2nd generation computers
(B) 3rd generation computers
(C) 4th generation computers
(D) All of the above
(E) None of these

Question No:12

Which of the following is single u computer with many features i good processing power ?

(A) Workstation
(B) Minicomputer
(C) Microcomputer
(D) All of the above
(E) None of these

Question No:13

Fastest component of a computer system is :

(A) Flash ROM
(B) Cache memory
(E) None of these

Question No:14

What are two examples of freeware ?

(A) WinZip and Linux
(B) Shareware and File sharing
(C) Microsoft Word and the Google toolbar
(D) Instant Messaging and the Google toolbar
(E) Microsoft Power Point and Microsoft Excel

Question No:15

. Using Windows Explorer, a plus (+) sign in front of a folder indicates :

(A) an open folder
(B) the folder contains subfolders
(C) a text file
(D) a graphics file
(E) None of these

Question No:16

For creating a document, you use …… command at File Menu.

(A) Open
(B) Close
(C) New
(D) Save
(E) None of the above

Question No:17

Which of the following is NOT a characteristic of E-mail ?

(A) Low cost
(B) Record maintenance in database
(C) High speed
(D) Waste Reduction (writing pap<
(E) None of these ‘

Question No:18

Which of these biometric tools us thermal sensors along with infra rays for identification ?

(A) Key stroke dynamics
(B) Iris/Retinal scan
(C) Speech recognition
(D) Fingerprint scanning
(E) None of these

Question No:19

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
(E) None of these

Question No:20

A popular way to learn about computers without ever going to a classroom is called ……….

(A) i-learning
(B) isolated learning
(C) e-learning
(D) close learning
(E) Distance learning