Is light pen an optical or electronic input device?

Light pen is a useful input device and is it optical or electronic input device was the query Tika asked in a comment. This post is in response to that query. There is a question in the MCQ Bank collection from Fundamentals of Computer as: What is a light pen...

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Solved MCQ Questions from Old Question Papers of Computer Officer Exam

Please use the form at the bottom of the MCQ set to download this set as PDF File. 1. ‘DOS’ floppy disk does not have A. A Boot Record B. A File Allocation Table C. A Root Directory D. Virtual Memory   2. This………….tier ...

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MS Word – Columns and Multilevel Numbering

Bikash Thadha Magar requested for the solution of the practical question from MS Word (See the image below). He scanned the question paper and posted on ICT Trends Facebook Wall (http://facebook.com/icttrends). This post is in response to his query. Let me off...

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Old Question Papers of Computer Officer Subjective Exams for Public Service Commission (Lok Sewa Aayog)

Year: 2063 Full Marks: 50   Time 1 hr 30 mins Answer the following questions 1. Write the recursive version of the binary search algorithm  [10] 2. What is normalization in DBMS? Describe the different normal forms. [10] 3. Give the advantages o...

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Why Computer Based Information Systems required? Explain the types of Information needed in an organization.

The application of computers have revolutionized multitude aspects of human life and the impact of computers over the business and organization is more than realized. Following are some reasons why computer based information systems are felt necessary. Volume ...

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Define array. Write a program to store 10 salesmen’s amount in an array and find out total sale & best sales amount.

I’ve got some questions from C++ and other topics and due to the time constraints I am unable to answer all of them in time. But I will always try to solve as many as possible and keep publishing in this blog. This post is in response to Kigozi Ronald from M...

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Computer Officer Subjective Paper–Info & Downloads

Public Service Commission yesterday published vacancy announcement for Computer Officers post for different government offices. This time there are 4 seats for open competition and 1 seat for internal competition. Computer officer is Gazzated third class offic...

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Delete the node with value 12 in following binary search tree

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How can you delete a node in Binary Search Tree?

Let x be the node that has to be deleted from a binary search tree T. So, to delete the node x, we can have three cases: x has no children x has one child x has two children ...

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MS Excel Fill in the blanks and True False

This post is in response to the queries Khristine Acupido sent in email to [email protected] I’ve tried to provide correct answers, please correct me if I am wrong anywhere: Questions: …can you answer this..please??? about Microsoft excel… Iden...

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  • "An expert is a man who has made all the mistakes which can be made, in a narrow field." - Niels Bohr (1885-1962)
  • "Good teachers are those who know how little they know. Bad teachers are those who think they know more than they don't know." -- R. Verdi
  • "The main part of intellectual education is not the acquisition of facts but learning how to make facts live." -- Oliver Wendell Holmes