Computer Awareness Questions for IBPS Mains Exams – Day 1

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Computer Awareness Questions for IBPS Mains Exams – Day 1
1. A device for converting handwritten impressions into coded characters & positional coordinates for input to a computer is
a) Touch panel
b) Mouse
c) Wand
d) Writing tablet
e) None of the above
Answer: D)
Explanation: A graphic tablet (also known as a digitizer, drawing tablet, digital drawing tablet, pen tablet, or digital art board) is a computer input device that enables a user to hand-draw images, animations and graphics, with a special pen-like stylus, similar to the way a person draws images with a pencil and paper. These tablets may also be used to capture data or handwritten signatures.

2. Windows key + F is used to _______.
a) Minimize all windows.
b) Search for a file or folder.
c) Display the shortcut menu for the selected item.
d) Display Windows Help
e) Open the Run dialog box
Answer: B)
Explanation: Windows key+F is used to search for a file or folder.

3. The first PC virus was developed in
a) 1986
b) 1980
c) 1988
d) 1984
e) 1985
Answer: A)
Explanation: Brain is the industry standard name for a computer virus that was released in its first form in January 1986, and is considered to be the first computer virus for MS-DOS. It infects the boot sector of storage media formatted with the DOS File Allocation Table (FAT) file system.

4. If I press Ctrl + Shift + B in Microsoft FrontPage it will ________.
a) Move cursor above or below a table
b) Turn on or off the display of HTML tags
c) Deletes word to right of cursor.
d) Preview in web browser window
e) Switch between open web pages
Answer: D)
Explanation: Ctrl + Shift + B is used to preview in web browser window.

5. Which is used for manufacturing chips?
a) Bus
b) Control unit
c) Semiconductors
d) A and b only
e) None of these
Answer: C)
Explanation: Semiconductors are crystalline or amorphous solids with distinct electrical characteristics. They are of high electrical resistance - higher than typical resistance materials, but still of much lower resistance than insulators. They are used in making chips.

6. When are two devices in network?
a) When a process in one device is able to exchange information with a process in another device
b) When a process is running on both devices
c) When PIDs of the processes running of different devices are same
d) Both B & C
e) None of the mentioned
Answer: A)
Explanation: The two devices are in network when one device is able to exchange information with a process in another device.

7. Which computer was considered the first electronic computer until 1973 when court invalidated the patent?
c) Z3
d) ABC
e) None of these
Answer: A)
Explanation: ENIAC (Electronic Numerical Integrator And Computer) was the world’s first general-purpose computer. ENIAC was designed and built for the United States Army to calculate artillery firing tables. However, it was ENIAC’s power and general-purpose programmability that excited the public’s imagination.

8. If more than one persons need to be connected to a single central computer, which of the following is required?
a) Light pen
b) Mouse
c) Digitizer
d) Terminal
e) None of these
Answer: D)
Explanation: A terminal provides input and output services to a device attached to a central computer. Basically it is used for entering data & showing information on the display to each of the connected person.

9. The symbols used in an assembly language are
a) Codes
b) Mnemonics
c) Assembler
d) All of the above
e) None of the above
Answer: B)
Explanation: A mnemonic device, or memory device is any learning technique that aids information retention in the human memory. Mnemonics make use of elaborative encoding, retrieval cues, and imagery as specific tools to encode any given information in a way that allows for efficient storage and retrieval.

10. Web Pages are saved in which of the following format?
a) http://
c) DOC
d) URL
e) None of these
Answer: B)
Explanation: Web pages are saved in HTML format.

11. EDVAC is
a) Electronic Detected Variable Automatic Computer
b) Electronic Discrete Variable Automatic Computer
c) Electronic Discrete Valuable Automatic Computer
d) Electronic Developed Valuable Automatic Computer
e) None of the above
Answer: B)
Explanation: EDVAC (Electronic Discrete Variable Automatic Computer) was one of the earliest electronic computers. Unlike its predecessor the ENIAC, it was binary rather than decimal, and was a stored-program computer.

12. A network where more number of users can be added conveniently is known as _____?
a) Scalable
b) Dedicated
c) Decentralized
d) Secure
e) None of these
Answer: A)
Explanation: A scalable network means a network connection which has the ability to handle more number of users as it currently has without affecting its working capacity or efficiency.

13. The purpose of the _______ layer is to transport a raw bit stream from one Machine to another
a) Physical Layer
b) Data Link Layer
c) Network layer
d) Application Layer
e) All of the above
Answer: A)
Explanation: In the seven-layer OSI model of computer networking, the physical layer or layer 1 is the first and lowest layer. This layer may be implemented by a PHY. The physical layer consists of the networking hardware transmission technologies of a network.

14. Which of the following transmits analog signals in multiplexing?
a) FDM
b) Synchronous TDM
c) Asynchronous TDM
d) Both 2 and 3
e) None of these
Answer: A)
Explanation: FDM is known as frequency division multiplexing. In this technique, the total bandwidth is divided into several sub-bands. These sub-bands are made on the basis of some particular frequency and transmits analog signal.

15. Data are accumulated and processed in group called
a) Batch Processing
b) Group processing
c) Time sharing
d) All of the above
e) None of the above
Answer: A)
Explanation: Non-continuous (non-real time) processing of data, instructions, or materials. In data transmission, batch processing is used for very large files or where a fast response time is not critical. The files to be transmitted are gathered over a period and then send together as a batch.