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Free download in PDF Computer Awareness Multiple Choice Questions(MCQs) & Answers. These multiple choice questions on Computer Science are very useful for NIELIT, BCA, B.Sc. MCA, M.Sc. B.Tech, M.Tech, BE, ME students an interview for various positions like Web Developer, System Analyst etc.
(1)
Why we use “Alt + E” key on keyboard?
[A]
Edit options
[B]
Extract Options
[C]
Escape Options
[D]
Enter Options
(2)
We use the “Ctrl + C” shortcut key for?
[A]
Cut selected item
[B]
Clear selected item
[C]
Copy selected item
[D]
Close selected item
Answer: Copy selected item
(3)
“Ctrl + O” use in Computer for which purpose?
[A]
Open a file
[B]
Edit a File
[C]
Extract a File
[D]
Open Option
(4)
To move the cursor to the end of the document press
[A]
Ctrl + Alt
[B]
Ctrl + End
[C]
Ctrl + V
[D]
Ctrl + B
(5)
The shortcut key to print documents is
[A]
Ctrl + Y
[B]
Ctrl + V
[C]
Ctrl + P
[D]
Ctrl + C
(6)
First layer in the OSI reference model is
[A]
Data link
[B]
Session
[C]
Physical
[D]
Application
(7)
Data security threats include
[A]
Hardware failure
[B]
Privacy invasion
[C]
Fraudulent manipulation of data
[D]
BUG
(8)
What do you call the rules of a programming language?
[A]
Procedures
[B]
Authentication
[C]
Assembly
[D]
Syntax
(9)
What is the address given to a computer connected to a network called?
[A]
System unit
[B]
SSID
[C]
Process ID
[D]
IP Address
(10)
When you purchase a product over a Mobile Phone, the transaction is called ___
[A]
POS
[B]
E-Commerce
[C]
M-Commerce
[D]
Mobile Purchases
(11)
The ATM cell is
[A]
48 bytes long
[B]
53 bytes long
[C]
64 bytes long
[D]
69 bytes long
(12)
IP address in B class is given by
[A]
125.123.123.2
[B]
191.023.21.54
[C]
192.128.32.56
[D]
10.14.12.34
(13)
Which of the following is not described as a typical network classification?
[A]
Local area network
[B]
Wide area network
[C]
Metropolitan area Network
[D]
County area network
Answer: County area network
(14)
Programs such as Internet Explorer that serve as navigable windows into the Web are called
[A]
Hypertext
[B]
Networks
[C]
Hyperlink
[D]
Web browsers
(15)
A Web ……… consists of one or more Web pages located on a Web server
[A]
Hub
[B]
Site
[C]
Address
[D]
Template
(16)
A USB communication device that supports data encryption for secure wireless communication for notebook users is called a _______
[A]
USB wireless network adapter
[B]
wireless switch
[C]
wireless
[D]
None of The Above
Answer: USB wireless network adapter
(17)
Which media have the ability to have data/information stored (written) on them by users more than once?
[A]
Compact disks
[B]
CD-RW disks
[C]
Zip disks
[D]
Optical Disks
(18)
How do you save changes to a PowerPoint presentation?
[A]
Pull down the File menu and click the Save command
[B]
Click the Save button on the Standard toolbar
[C]
Click on view bar
[D]
Either (a) and (b)
Answer: Either (a) and (b)
(19)
.…………defines how one Internet-connected computer can contact another to exchange control and confirmation messages
[A]
Privacy rules
[B]
Internet rules
[C]
Transmission Control Protocol (TCP)
[D]
Internet Protocol (IP)
Answer: Transmission Control Protocol (TCP)
(20)
A(n) …………. is a numerical identification and logical address that is assigned todevices participating in a computer network
[A]
Top-level domain (TLD) name
[B]
TCP
[C]
Domain name
[D]
Internet Protocol address (IP address)
Answer: Internet Protocol address (IP address)