Computers and IT MCQs
Computer Awareness Questions and Quiz for Banking, IBPS, RRB, RBI, SBI, NABARD examinations of 2024-2025. Computer Awareness MCQs for Competitive Exams. GKToday Computer Awareness for IBPS PO, IBPS Clerk, Bank PO, Bank Clerk and other entrance / competitive examinations.
21. To locate a lost file on your Macintosh, which of the following applications is used?
[A] Dock
[B] Sherlock
[C] Aqua
[D] Diskfinder
Show Answer
Correct Answer: B [Sherlock]
Notes:
Sherlock app was named after Sherlock Holmes. It was a file and web search tool created by Apple Inc. an extension of the Mac OS Finder’s file searching capabilities.
22. What is full form of PEGI?
[A] Pan-English Game Information
[B] Pan-European Game Information
[C] Pan-English Ground InfoTech
[D] None of the Above
Show Answer
Correct Answer: B [Pan-European Game Information]
Notes:
PEGI stands for Pan-European game information. It is rating system based on existing systems in Europe that is used on computer and video games and other computer software.
23. Who among the following developed the LISP programming language family?
[A] Ken Thompson
[B] Donald Knuth
[C] John McCarthy
[D] Von Belt
Show Answer
Correct Answer: C [John McCarthy]
Notes:
John McCarthy was an American computer scientist. McCarthy was one of the founders of the discipline of artificial intelligence. He coined the term “artificial intelligence” and developed the LISP programming language family.
24. Which of the following programming languages is designed to connect simple HTML pages to a database?
[A] FORTRAN
[B] Cold Fusion
[C] Phython
[D] ASP
Show Answer
Correct Answer: B [Cold Fusion]
Notes:
ColdFusion Markup Language is commonly known as CFML. It is a scripting language for web development.CFML augments standard HTML files with database commands, conditional operators, high-level formatting functions, and other elements to produce web applications.
25. What is the full form of BLOB?
[A] Binary Long Object
[B] Binary Large Object
[C] Basic Leverage Object
[D] None of the Above
Show Answer
Correct Answer: A [Binary Long Object]
Notes:
BLOB stands for Binary Large Object. In SQL, BLOB can be a general term for any data of type long varbinary, long varchar, or long wvarchar. It is also a specific term for data of type long varbinary.
26. Which of the following is the attribute which can be used to uniquely identify a row of data in a given table?
[A] Secondary Key
[B] Personal Key
[C] Primary Key
[D] Foreign Key
Show Answer
Correct Answer: A [Secondary Key]
Notes:
A primary key is a single attribute, or combination of attributes, which can be used to uniquely identify a row of data in a given table. Common primary keys include vendor ID, user ID, email address, or combination of attributes considered together such as first name, last name, and city of residence, all considered together as a single entity.
27. Which of these networks usually have all the computers connected to a hub?
[A] Ring
[B] Tree
[C] Star
[D] Bus
Show Answer
Correct Answer: C [Star]
Notes:
In Star topology, all the computers are connected to a single hub through a cable. This hub is the central node and all others nodes are connected to the central node.
28. Which university was connected for the first time with the Stanford Research Institute under ARPANET?
[A] University of California
[B] University of Michigan
[C] Harvard University
[D] University of New York
Show Answer
Correct Answer: A [University of California]
Notes:
The first ARPANET link was established between the University of California, Los Angeles (UCLA) and the Stanford Research Institute.
29. What does ISDN stand for?
[A] Integrated Services Data Network
[B] Information Sources Digital Network
[C] Integrated Services Digital Network
[D] Information Standard Data Network
Show Answer
Correct Answer: C [Integrated Services Digital Network]
Notes:
ISDN stands for Integrated Services Digital Network. It establishes the connection using the phone lines which carry digital signals instead of analog signals.
30. Which of the following is not true about Internet access through satellites?
[A] Can be used anywhere around the world
[B] Can get affected by rain and snow
[C] Slower than dial up connection
[D] None of the above
Show Answer
Correct Answer: C [Slower than dial up connection]
Notes:
It is faster than dial-up but slower than DSL. It can be used anywhere around the world and gets affected by rain and snow.
