Prepare for the OSSC CGL with these Top 30 Computer Awareness MCQs, designed to enhance your knowledge. Covering fundamental concepts in computing, from hardware to software and beyond, these questions aim to sharpen your understanding and boost your confidence. Whether you’re familiarizing yourself with basic terminology or delving into more advanced topics, this curated set ensures comprehensive preparation. Master concepts like operating systems, networking, and data structures, vital for success in the OSSC CGL examination. Elevate your computer awareness proficiency and ace the test with ease.
Top 30 Computer Awareness MCQs For OSSC CGL
- The performance of a hard drive or other storage device, meaning how long it takes to locate a file is called?
[A] Response Time
[B] Access Time
[C] Quick Time
[D] None of the above
Correct Answer: B [Access Time] - Alerts mostly appear in ______?
[A] Check box
[B] Combo box
[C] Dialog box
[D] None of the above
Correct Answer: C [Dialog box] - A file which has not been altered, compressed, or manipulated in any way by the computer is called?
[A] temp file
[B] raw file
[C] permanent file
[D] None of the above
Correct Answer: B [raw file] - The terms “push and pull services” in the context of Banking are used in which among the following generally?
[A] Rural Banking
[B] Unit Banking
[C] Mobile Banking
[D] Online banking
Correct Answer: C [Mobile Banking] - Who is the founder of Wikipedia?
[A] Peer Schneider
[B] Byron Looper
[C] Rickard Eriksson
[D] Jimmy Wales
Correct Answer: D [Jimmy Wales] - The term Massive MIMO is sometimes seen in the news in the context of:
[A] Deep Space Exploration
[B] Particle Physics
[C] Information Technology
[D] Earth Science
Correct Answer: C [Information Technology] - In a book by which author was the word computer first mentioned?
[A] Mark Twain
[B] Sherlock Holmes
[C] Richard Braithwait
[D] Enid Blyton
Correct Answer: C [Richard Braithwait] - Which of the following are the core mathematical operations used in an electric analog computer?
[A] Integration
[B] Exponentiation
[C] Inversion
[D] All of the above
Correct Answer: D [All of the above] - Who built the first electronic digital computer?
[A] George Boole
[B] Charles Babbage
[C] John Atanasoff
[D] Cliff Berry
Correct Answer: C [John Atanasoff] - Personal computers in the 2010s have access to which of the following kinds of software?
[A] Freeware
[B] Free and Open Source Software
[C] Commercial Software
[D] All of the above
Correct Answer: D [All of the above] - What is the full form of SDLC?
[A] Software Developed Life Cycle
[B] Software Development Life Cycle
[C] Software Designing Life Cycle
[D] Software Developed Live Circuit
Correct Answer: B [Software Development Life Cycle]
Notes: Software Development Life Cycle is the systematic development of software by following every stage in the development process namely, Requirement Gathering, System Analysis, Design, Coding, Testing, Maintenance and Documentation etc. - Which of the following are the most important criteria for measuring the performance of an Operating system?
[A] Waiting Time
[B] Turnaround Time
[C] Both a and b
[D] System Clock
Correct Answer: C [Both a and b]
Notes: The CPU efficiency/input decreases as the turnaround time/waiting time of the processor increases. It is desirable to have less turnaround time and waiting time for all processes. - What is the name given to the application which only runs on one platform, increasing the desirability of that platform?
[A] Standalone App
[B] Single Platform App
[C] Killer App
[D] All of the Above
Correct Answer: C [Killer App]
Notes: A new and popular application arises which only runs on one platform, increasing the desirability of that platform. This is called a killer application or killer app. - Which of the following is the another term used for Software hosting?
[A] Cloud computing
[B] On-demand service
[C] Software as a service or SaaS
[D] All of the Above
Correct Answer: D [All of the Above]
Notes: Hosted, on-demand, cloud computing, software as a service all mean the same thing. Organizations host their software and data externally with a provider and can access it over the internet from anywhere at any time. - Who among the following invented the FORTRAN language?
[A] J.W. Backus
[B] Steff Warner
[C] Von Neuman
[D] All of the Above
Correct Answer: A [J.W. Backus]
Notes: John Warner Backus was an American computer scientist. He invented and implemented FORTRAN which is the first widely used high-level programming language. He was the inventor of the Backus–Naur form (BNF). - Which of the following DBMS is well-suited for data warehouses that have a large number of similar data items?
[A] Columnar database management system
[B] In-memory database management system
[C] RDBMS
[D] NoSQL DBMS
Correct Answer: A [Columnar database management system]
Notes: CDBMS stands for Columnar database management system. It is well-suited for data warehouses that have a large number of similar data items. - Which of the following LAN technologies uses a token-bus scheme?
[A] Netware
[B] Interface
[C] ARCNET
[D] Ethernet
Correct Answer: C [ARCNET]
Notes: ARCNET is a LAN technology that uses a token-bus scheme for managing line sharing among the workstations and other devices connected on the LAN. ARCNET is one of four major LAN technologies, which also include Ethernet, token ring, and FDDI. - Which of the following is the reference model used for internetworking?
[A] TCP
[B] Relay
[C] OSI
[D] Intranet
Correct Answer: C [OSI]
Notes: An interconnection between public, private, commercial, industrial, or government computer networks can also be defined as internetworking. The reference model used for internetworking is Open System Interconnection (OSI). - Which of the following networking hardware can operate at any one of the seven layers of the open systems interconnection model?
[A] Router
[B] Gateway
[C] Switch
[D] Modem
Correct Answer: B [Gateway]
Notes: Gateways are distinct from routers or switches in that they communicate using more than one protocol and can operate at any of the seven layers of the open systems interconnection model. - Which of the following networking devices is used for the delivery of messages between VPN nodes?
[A] Router
[B] VPN connector
[C] Switch
[D] Hub
Correct Answer: B [VPN connector] - What is the bandwidth limit for CAT5e cable?
[A] upto 1 Mbps
[B] upto 2 Mbps
[C] upto 10 Mbps
[D] upto 1 Gbps
Correct Answer: D [upto 1 Gbps]
Notes: CAT5e can support upto 1 Gbps speeds. It was made as an improvement over CAT5 cables which can support data transmission upto 100Mbps. - Which of these terms refer to the technology that is used to effectively double the data transfer speed?
[A] Channel bonding
[B] Bandwidth allocation
[C] Walling
[D] None
Correct Answer: A [Channel bonding]
Notes: Channel bonding refers to the technology that combines two telephone lines into a single channel, effectively doubling the data transfer speeds. For example, bonding two modems of 56Kbps together would give you a 112 Kbps Internet connection. - Which of these Internet protocols work at the Application layer?
[A] IP
[B] UDP
[C] FTP
[D] TCP
Correct Answer: C [FTP]
Notes: FTP stands for File Transfer Protocol. It works at the Application layer. It enables the uploading and downloading of files from a remote host. - Which of the following is an e-commerce website?
[A] Amazon.com
[B] Flipkart.com
[C] Alibaba.com
[D] All of the above
Correct Answer: D [All of the above]
Notes: An e-commerce site is a site offering goods and services for online sale and enabling online transactions for such sales. Examples are Amazon.com, Flipkart.com and Alibaba.com. - Which of the following language is designed specifically for Web site animation?
[A] CSS
[B] Actionscript
[C] ASP
[D] None of the above
Correct Answer: B [Actionscript]
Notes: ActionScript is an object-oriented programming language which is designed specifically for Web site animation. It was originally released with Macromedia Flash 4. - Which company has developed Pixel smartphone?
[A] Microsoft
[B] Google
[C] Apple
[D] Samsung
Correct Answer: B [Google]
Notes: Pixel is an android smartphone designed, developed and marketed by Google. It was announced by Google in 2016 and served as the first - smartphones in the Google Pixel hardware line.
Which of these has been used as a tagline by Apple phones?
[A] Think Different
[B] Like me
[C] Eat and Play
[D] Work Hard
Correct Answer: A [Think Different]
Notes: “Think different” was an advertising slogan used by Apple. It was used in a television commercial, several print advertisements but was discontinued in 2002. - Which key combination can make the Windows operating system reboot?
[A] Ctrl + F10
[B] Ctrl + Alt
[C] Ctrl + Alt + Del
[D] Ctrl + F12
Correct Answer: C [Ctrl + Alt + Del]
Notes: Ctrl-Alt-Delete is the combination of keyboard keys in MS Windows that the computer user can press at the same time to terminate an application task or to reboot the operating system. - Which menu option has the option to print document in MS Word?
[A] File
[B] Edit
[C] Tools
[D] Review
Correct Answer: A [File]
Notes: Print and Print preview are given under the File menu in MS Word. Also, Ctrl + P is a shortcut which lets the users print the current document. - Which of these keys is used to view the slideshow in MS PowerPoint?
[A] F11
[B] F6
[C] F8
[D] F5
Correct Answer: D [F5]
Notes: F5 is used as the shortcut key to view the slideshow in MS PowerPoint. Also, the slideshow can be run from the slideshow menu.
