Computer Basic Questions and Answers
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Computer Basic Questions
In this article Computer Basic Questions and Answers, we are sharing the most important and the latest Computer Basic Questions and Answers related to Computer Software, Hardware, SEO, Computer Memory etc for those aspirants who are preparing for upcoming competitive exams.
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Computer Basic Questions and Answers
Q : Logical schema is defined as a_________
(A) Is the entire database
(B) A standard way of organising information for business
(C) Master fields
(D) Queries
Correct Answer : B
Explanation :
A logical data model or logical schema is a data model of a specific problem domain expressed independently of a particular database management product or storage technology (physical data model) but in terms of data structures such as relational tables and columns, object-oriented classes, or XML tags.
The view of total database content is_________
(A) Conceptual view
(B) Internal View
(C) External view
(D) Physical view
Correct Answer : A
Explanation :
It contains information about the entire database in terms of small and simple structures.
What is an error in a program that produces wrong or inappropriate results called?
(A) Byte
(B) Bug
(C) Unit problem
(D) Programming error
Correct Answer : B
Explanation :
An error in computer data is called Bug. A software bug is an error, flaw, failure or fault in a computer program or system that causes it to produce an incorrect or unexpected result, or to behave in unintended ways. ... Bugs can trigger errors that may have ripple effects.
Which of the following is not a search engine?
(A) Yahoo
(B) Bingo
(C) Google
(D) Windows
Correct Answer : D
Explanation :
Detailed Solution. Google, Yahoo, and Alta Vista are search engines, while Facebook is not a search engine. Owned by American business Meta Platforms, Facebook is a social networking and social media website.
The search results are generally presented in a line of results often referred to as :
(A) Tag List
(B) Search Engine Result Pages
(C) Search Engine Pages
(D) Category List
Correct Answer : B
Explanation :
The search results are generally presented in a line of results, often referred to as search engine results pages (SERPs).
DVD is an example of?
(A) Output device
(B) Hard Disk
(C) optical disc
(D) object disc
Correct Answer : C
Explanation :
1. Digital Versatile Disc (DVD), sometimes also known as Digital Video Disc (DVD), is an optical disc storage media format for storing digital data.
2. DVD offers higher storage capacity than compact disc (CD) when having the same size.
3. It is a digital optical dose storage format. It can be used for storing video, audio, images or data.
Which of the following is an example of an optical disc?
(A) Magnetic Disc
(B) Memory Disk
(C) Digital Versatile Disc
(D) All these
Correct Answer : C
Explanation :
An optical disk drive (ODD) uses a laser light to read data from or write data to an optical disc. These include CDs, DVDs, and Blu-ray discs.
In a star network, how many lines are required for connecting N nodes to the host node?
(A) N + 1
(B) N/2
(C) (N/2) – 1
(D) N – 1
Correct Answer : D
Explanation :
In star topology, 'n-1' lines are required for connecting 'n' nodes.
In which device of the following is NOT an output?
(A) Plotter
(B) Monitor
(C) Dot matrix printer
(D) touchscreen
Correct Answer : D
Explanation :
Which shortcuts are used to close an open workbook in MS Excel 365?
(A) Ctrl + X
(B) Ctrl + W
(C) Ctrl + L
(D) Ctrl + C
Correct Answer : C
Explanation :
Most people know that CTRL + N will create a new workbook in Excel. However, there are many different ways to close workbooks. Both CTRL + W and CTRL + F4 will close the current workbook. If you would like to close all workbooks that are open, as well as Excel itself, the shortcut that will achieve this is Alt + F4.
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Rajesh Bhatia
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