Class 12 Computer Model Question Solution with Free PDF 2080
NEB -XII Model Question 2080(2023) Computer Science Solution PDF Note: PDF Download Button is provided at the end of this article. This is completely free PDF, so you can download and read class 12 computer model question from your without needing the internet. Candidates are required to give their answer in their own words as far as practicable. The figures in the margin indicate full marks. Time:-2 hrs. Full Marks:- 50 Group A Rewrite the correct options of each questions in your answer sheet. (9x1=9) 1. In which normal form of database, atomicity is introduced? A) First B) Second C) Third D) Fourth Answer: C) First Explanation: Atomicity is introduced in the first normal form (1NF) but it is not specific to 1NF only. 2. Which of the following techniques is not implemented to protect a database? A) Rollback B) Backup C) Recovery D) Firewall Answer: D) Firewall Explanation: Firewall is not a technique to protect a database. It is a security system that is designed to preven...