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.
1. A unit of data storage that equals 2 to the 70th power is called?
[A] Zebibyte
[B] Yottabite
[C] Yobibite
[D] None of the above
Show Answer
Correct Answer: A [Zebibyte]
Notes:
A zebibyte is a unit of data storage. It is equal to 2 to the 70th power, or 1,180,591,620,717,411,303,424 bytes. While a zettabyte can be estimated as 10^21 or 1,000,000,000,000,000,000,000 bytes, a zebibyte is exactly 1,180,591,620,717,411,303,424 bytes.
2. Panther (10.3), Jaguar (10.2), Puma (10.1), and Cheetah (10.0) are examples of what kind of operating system?
[A] Windows OS
[B] Mac OS
[C] Linux Operating Systems
[D] Android Operating Systems
Show Answer
Correct Answer: B [Mac OS]
Notes:These are names of Mac OS Operating Systems. The names of various Mac OS are as follows:
- Mac OS X Public Beta
- Mac OS X 10.0 Cheetah
- Mac OS X 10.1 Puma
- Mac OS X 10.2 Jaguar
- Mac OS X 10.3 Panther
- Mac OS X 10.4 Tiger
- Mac OS X 10.5 Leopard
- Mac OS X 10.6 Snow Leopard
- Mac OS X 10.7 Lion
- OS X 10.8 Mountain Lion
- OS X 10.9 Mavericks
- OS X 10.10 Yosemite
- OS X 10.11 El Capitan
- macOS 10.12 Sierra
- macOS 10.13 High Sierra
- macOS 10.14 Mojave
- macOS 10.15 Catalina
3. Which among the following is correct about 4GL?
[A] A computer brand
[B] A software brand
[C] A software program
[D] A programming language
Show Answer
Correct Answer: D [A programming language ]
Notes:
4GL means fourth-generation programming language.
4. Which among the following is used for removing a software bug / defect which is available for free of cost from the software provider?
[A] Version
[B] update
[C] help
[D] patch
Show Answer
Correct Answer: D [patch]
Notes:
A patch is a collective name of all the changes to a computer program aimed to update, fix, or improve it including addressing the security vulnerabilities and other bugs.
5. What do we call an input/output device on a computer, reserved for communication between the computer operator or maintenance engineer and the computer?
[A] EDP Device
[B] Console
[C] Jokey
[D] Link Device
Show Answer
Correct Answer: B [Console]
Notes:
A console is an input/output device on a computer, reserved for communication between the computer operator or maintenance engineer and the computer. It is not a platform like PC.
6. Which among the following is NOT a search engine?
[A] Google
[B] Baidu
[C] Wolfram Alfa
[D] Yahoo
Show Answer
Correct Answer: C [Wolfram Alfa ]
Notes:
Wolfram Alfa is a computational knowledge engine or answer engine and not a search engine. Goodle, Baidu and yahoo are the search engines as a person can search anything on web using these.
7. Which among the following is the correct order in which popular company Apple released them?
[A] Mac, iPod, iPad, iPhone
[B] Mac, iPhone, iPod, iPad
[C] Mac, iPod, iPhone, iPad
[D] Mac, iPad, ipod, iPhone
Show Answer
Correct Answer: C [Mac, iPod, iPhone, iPad]
Notes:
The following is the correct order :
1. Mac was introduced in 1984
2. Ipod was introduced in 2001
3. Iphone was introduced in 2007
4. Ipad was introduced in 2010
8. News websites deliver customized ‘feeds’ of content to their readers via RSS, which stands for :
[A] Really Simple Syndication
[B] Real Social Syndication
[C] Registered Subscriber Syndication
[D] Really Simple Synchronization
Show Answer
Correct Answer: A [Really Simple Syndication]
Notes:
Real Simple Syndication (RSS) is the term used to refer the collection of Web feed formats. They provide updated or shared information in a standardized way. They deliver customized ‘feeds’ to the customers.
9. Which of the following are related to finding information from the RAM?
[A] Memory Buffer Register
[B] Memory Data Register
[C] Memory Address Register
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
All three i.e. Memory Buffer Register, Memory Data Register and Memory Address Register represent a collection of storage registers which are located on separate chips from CPU. They all fetch information from memory.
10. Who had discovered the Boolean algebra?
[A] George Boole
[B] Charles Babbage
[C] Augusta Ada Byron
[D] Herman Hollerith
Show Answer
Correct Answer: A [George Boole]
Notes:
Englishman, George Boole had invented a new branch of mathematics called the Boolean algebra. Boolean algebra and the binary code help modern computers to make simple decisions by comparison of long strings of zeroes.
