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Following quiz provides Multiple Choice Questions (MCQs) related to Basics of Computer Science. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Q 1 – Consider the following statements:
1. In 1985, Microsoft launched the revolutionary operating systems and named it ‘Window.’
2. Window programs employ a Graphical User Interface (GUI).
Choose the correct answer from the codes given below:
Answer : C
Explanation
GUI facilitates its users to give command only on clicking on-screen symbols. It also facilitates users to perform multiple task simultaneously.
Q 2 – The malware that fetches the personal data such as bank details, credit/card details, password, etc. from remotely located computers is known as …
Answer : C
Explanation
Through spyware, hacker records all the activities done on other targeted computers. Spyware records and transmits the data entered by using keyboards.
Q 3 – In reference to data encryption, consider the following statements:
1. Keys of encryption are characteristically stored in the computer files itself and they are also encrypted.
2. Keys can be assessed only with a passphrase.
Choose the correct answer from the codes given below:
Answer : C
Explanation
Keys are similar to passwords, but they are much longer.
Q 4 – Consider the following statements:
1. The term DOS stands for Disk Operating System.
2. Loading operating files into the main memory of computer is known as booting up.
Choose the correct answer from the codes given below:
Answer : C
Explanation
Only after booting up computer is ready to use.
Q 5 – If you restart your computer by selecting the restart button, it is known as …
Answer : D
Explanation
One can also restart a computer by pressing Ctrl + Alt + Del keys simultaneously.
Q 6 – The Fifth Generation Computer works on …
Answer : C
Explanation
Fifth generation computer was an initiative by Japan”s Ministry of International Trade and Industry.
Q 7 – Who among the following is popular as the father of computer?
Answer : A
Explanation
N/A
Q 8 – Who among the following has designed the PHP programing language?
Answer : A
Explanation
Rasmus designed PHP in 1995.
Q 9 – Who among the following has created the ‘twitter?’
Answer : A
Explanation
Twitter was created in 2006.
Q 10 – Who among the following is popular as ‘Mother of Internet?’
Answer : A
Explanation
Perlman has invented spanning tree protocol in 1985.
Q 11 – Which among the following correctly defines the working of a computer?
A – Calculate and process all sorts of data useful for human beings
C – Store data and delete data
D – Play movie and video games
Answer : A
Explanation
Computer is a machine, which has the ability to follow a sequence of operations, known as programs and make human works flexible and useful.
Q 12 – Magnetic disks are coated with …
Answer : B
Explanation
Magnetic disk or simply disk is an information storage device.
Q 13 – Which among the following is known as ‘point-and-draw’ device?
Answer : C
Explanation
N/A
Q 14 – Consider the following statements:
1. Algorithm is a set of instructions and basic techniques used to solve a problem/query.
2. An algorithm is a list of well-defined instructions for completing a defined task.
Choose the correct answer from the codes given below:
Answer : C
Explanation
A mistake in an algorithm that causes incorrect results is called a logical error.
Q 16 – Which among the following is known as computer programmer?
A – The person who can fix the computer errors
B – The person who can fix the hardware
C – The person who can writes and tests computer program
D – The person who fix computer program
Answer : C
Explanation
N/A
Q 17 – In reference to computer networking, consider the following statements:
1. Node is a connection or junction point in a computer networking system.
2. At the node transmission of data/information either ends or starts.
Choose the correct answer from the codes given below:
Answer : C
Explanation
N/A
Q 18 – Consider the following statements:
1. Search engine is a specialized application/program that helps users to search the information on the web/internet.
2. Search engine can find anything available on the internet in fraction of seconds.
Choose the correct answer from the codes given below:
Answer : C
Explanation
The major search engines are Google, MSN, Yahoo, etc.
Q 19 – Which among the following was the first computer virus?
Answer : D
Explanation
Elk Corner was seen in 1981 and considered as the first virus that affected personal computer, but in 1986 Farooq Alvi Brothers, reportedly to deter unauthorized copying of the software, had created ‘Brain’ virus.
Q 20 – Consider the following statements:
1. Icons are typically small images saved on desktop.
2. Icons are the shortcut links of various programs, files, folders, etc. saved on the desktop.
Choose the correct answer from the codes given below:
Answer : C
Explanation
To open a file/folder/program/application, one need to click on its icon; for example, an icon of ‘My Computer,’ Recycle bin,’ ‘Documents,’ ‘Internet Explorer,’ ‘Google Chrome,’ etc.
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