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Computer Awareness MCQs | Computer Multiple Choice Questions with Answers

Questions
1 Which cloud is a cloud computing environment that uses a mix of on-premises, private cloud and third-party, public cloud services with orchestration between the two platforms and it is particularly valuable for dynamic or highly changeable workloads?
A Dynamic Cloud
B Advance Cloud
C Hybrid Cloud
D Sharing Cloud

Answer: Hybrid Cloud

Sol. Hybrid cloud is a cloud computing environment which uses a mix of on-premises, private cloud and third-party, public cloud services with orchestration between the two platforms. By using a Hybrid approach, companies can maintain control of an internally managed private cloud while relying on the public cloud as needed.

2 __________ ports connect special types of music instruments to sound cards.
A MIDI
B CPU
C USB
D BUS

Answer: MIDI

Sol. MIDI stands for Musical Instrument Digital Interface, is a technical standard that describes a protocol, digital interface and connectors and allows a wide variety of electronic musical instruments, computers and other related devices to connect and communicate with one another.

3 WORM stands for?
A Write Once Read Many
B Wanted Once Read Memory
C Wanted Original Read Memory
D Write Original Read Memory

Answer: Write Once Read Many

Sol. In computer storage media, WORM (write once, read many) is a data storage technology that allows information to be written to a disc a single time and prevents the drive from erasing the data. The discs are intentionally not rewritable, because they are especially intended to store data that the user does not want to erase accidentally.

4 A commonly used graphic format for the Web is ______.

A GIF
B BMP
C TXT
D LMP

Answer: GIF

Sol. The Graphics Interchange Format (GIF) is used to save simple Web graphics having limited colours. This image format is usually used for Web buttons, charts and text headings.

5 These printers do not establish any mechanical contact between the print head and the paper. The examples of such type of printers are
A Line printers, drum printers
B Drum printers and dot-matrix printers
C Line printers and dot-matrix printers
D Inkjet and laser printers

Answer: Inkjet and laser printers

Sol. Non-impact printer does not establish any mechanical contact between the print head and the paper. The well-known non-impact printers are inkjet and laser printers.

6 Which of the following image formats was developed for Computer Serve?
A JPEG Image
B GIF Image
C PNG Image
D BMP Image

Answer: GIF Image

Sol. The GIF image format was developed for CompuServe (an online information service). Converting an image to a GIF image format is safe as no data is lost at the time of conversion.

7 Which of the following is the foray introduced by Microsoft into the gaming console market?
A X-box
B Set-up
C Multi play
D I-phone

Answer: X-box

Sol. In the gaming console market, Microsoft launched its first foray named X-box that is actually a video game console.

8 In PowerPoint, _________ view displays all slides of the presentation as a thumbnail and is helpful for repositioning slides?
A Slide Design
B Slide Sorter
C Slide Show
D Slide Master

Answer: Slide Sorter

Sol. The Slide Sorter view is a powerful feature of PowerPoint which displays all of slides of a presentation on a single screen in the form of thumbnails. In this view, you can change the sequence of the slides.

9 Which of the following application layer protocols does not use UDP?
A FTP
B VoIP
C DNS
D SNMP

Answer: FTP

Sol. Each application layer protocol uses one of the transport layer protocols for transmitting data from one end to another. UDP is an unreliable protocol that does not provide any acknowledgment for the receipt of the data. Therefore, the application layer protocols that require reliable connection use TCP as the transport protocol. FTP is one of the application layer protocols that uses TCP.

10 Which of the following diagrams graphically represents an inter-relationship among entities in a database?
A Entity-relationship diagram
B Data flow diagram
C Control flow diagram
D Sequence diagram

Answer: Entity-relationship diagram

Sol. A relationship is an association among entities. We can use the Entity-Relationship Diagram (ERD) to represent an inter-relationship between the entities of a database.

11 You can select which of the following format to save a document in a previous Word version?
A Word 97-2003 Document
B Word Template
C XPS Document
D Open Document Text

Answer: Word 97-2003 Document

Sol. Word 97-2003 Document is a compatible format used to save a document in a compatibility mode with previous versions of Word document.

12 Name the type of memory which clears everything when the power of a computer gets switched off.
A Volatile
B Non-volatile
C ROM
D Google Drive

Answer: Volatile

Sol. Volatile memory is a type of memory that clears everything when the power of a computer gets switched off, whereas nonvolatile memory retains the data even when the power gets switched off. Moreover, ROM and flash memory also retain the data in case the power gets switched off.

13 Which communication mode allows both the sender and the receiver to transmit data at the same time over a single communication channel?
A Simplex mode
B Half-duplex mode
C Full-duplex mode
D Semi-duplex mode

Answer: Full-duplex mode

Sol. In the simplex mode, communication is always unidirectional, for example television. In the half-duplex mode, communication is bidirectional but one at a time, which means only one of the parties can send data at a time. Walkie-talkie is an example of half duplex communication. In the full-duplex mode, communication is bidirectional, which means both the parties can transmit data simultaneously. Telephone is an example of full-duplex communication. The semi-duplex mode is not and type of communication mode.

14 What is a hyperlink?
A It is a text or image that you can click on to jump to a new document/page
B It is an input type for multimedia files
C It is a collection or directory of web pages
D It is the home page of a site

Answer: It is a text or image that you can click on to jump to a new document/page

Sol. A hyperlink, or simply a link, is a reference to data that the reader can directly follow either by clicking, tapping, or hovering. Hyperlinks are found in nearly all Web pages, allowing users to click their way from page to page.

15 HTML tags are the hidden keywords within a web page that define how the browser must format and display the content. Which type of brackets makes an HTML tag?
A Flower brackets { }
B Angular brackets < >
C Parentheses ( )
D Square brackets [ ]

Answer: Angular brackets < >

Sol. Most tags in HTML must have two parts, an opening and a closing part. For example, is the opening tag and is the closing tag.

16 What is a bootstrap?
A A memory device
B A device to support the computer
C An error correction technique
D A small initialization program to start up a computer

Answer: A small initialization program to start up a computer

Sol. A bootstrap is the process of starting up a computer. It also refers to the program that initializes the operating system (OS) during start-up.

17 The dual-port version of DRAM formerly used in graphics adaptors is
A FPM DRAM
B EDORAM
C VRAM
D DDRSDRAM

Answer: VRAM

Sol. Video RAM, or VRAM, is a dual-ported variant of dynamic RAM (DRAM), which was once commonly used to store the framebuffer in some graphics adapters.

18 Which cloud is a cloud computing environment that uses a mix of on-premises, private cloud and third-party, public cloud services with orchestration between the two platforms and it is particularly valuable for dynamic or highly changeable workloads?
A Dynamic Cloud
B Advance Cloud
C Hybrid Cloud
D Sharing Cloud

Answer: Hybrid Cloud

Sol. Hybrid cloud is a cloud computing environment which uses a mix of on-premises, private cloud and third-party, public cloud services with orchestration between the two platforms. By using a Hybrid approach, companies can maintain control of an internally managed private cloud while relying on the public cloud as needed.

19 DBMS is a set of programs, which allows a DBA to
A Maintain a database
B Connect to an application
C Create an application
D Create data

Answer: Maintain a database

Sol. A Database Management System (DBMS) allows a database administrator to maintain a database, which includes various operations, such as creating a database, deleting it, creating tables, and updating records in the database tables.

20 Which among the following was the first graphical web browser?
A Mosaic
B WAIS
C CERN
D Gopher

Answer: Mosaic

Sol. The explosion in popularity of the Web was triggered by NCSA Mosaic, a graphical browser which eventually ran on several popular office and home computers. This was the first web browser aiming to bring multimedia content to non-technical users, and therefore included images and text on the same page, unlike previous browser designs, its founder was Marc Andreessen.

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