CBSE Class 9 Computer Applications Quick Review Chapter Wise
#1
Computer System : A computer is an electronic device which processes data based upon the instructions provided and generate the desired output.

IPO Cycle : The basic principle on which the computer works.

Computing Process: Input -> Process -> Output

The characteristics of computer are Speed, Accuracy, Automation, Endurance, Versatility, Storage, Reduction of processing cost, and Intelligence quotient.

Hacking is gaining unauthorized access to data in a system or computer with the intention of harming the system or the owner.

Cracking is somewhat similar to hacking, but difference is it is authorized access to check the protection of system by owner’s permission to protect the system from hackers.

A sequence of characters that one must input to gain access to a file, application, or computer system, also called passkey.

The process by which raw message information (plain text) is mapped or encrypted to a scrambled form (cipher text) before transmission or storage, then mapped back to its original form again (decrypted) when an authorized party wishes to read the plain text.

Computer System Engineering, also called computer engineering, is a discipline that integrates several fields of electrical engineering and computer science required to develop computer systems.



Download free from the link below the details ...on CBSE 9th Computer Applications Quick Review Chapter Wise


Attached Files
.pdf   CBSE IX Computer Applications Quick Review Chapter Wise.pdf (Size: 357.2 KB / Downloads: 387)
Reply



Possibly Related Threads…
Thread Author Replies Views Last Post
  CBSE X Board Exam 2025 Computer Applications Official Model Question Paper with key mehar 0 322 09-28-2024, 11:56 AM
Last Post: mehar
  CBSE 10th Board Exam 2023 Computer Applications Question Paper samshankar 1 1,699 11-15-2023, 12:02 AM
Last Post: Mashbal
  CBSE 10th Board Exam 2022 Question Paper of Computer Applications jichu.jiya 2 5,328 02-08-2023, 11:56 AM
Last Post: adityamanoj
  CBSE 10th Computer Applications Board Exam previous year question papers with keys victers 1 2,360 02-08-2023, 11:55 AM
Last Post: adityamanoj
  CBSE 10th Exam 2023 Official Model Question Paper with Key- Computer Applications abdul.shukoor 1 3,879 11-23-2022, 01:11 PM
Last Post: jamsheedp
  CBSE Class 9 Science Quick Review Chapter Wise kdevika 0 2,791 09-14-2018, 12:48 PM
Last Post: kdevika
  CBSE IX Maths Quick Review Chapter Wise sowmya55 0 2,120 09-14-2018, 12:43 PM
Last Post: sowmya55
  CBSE Class 9 Social Science Quick Review Chapter Wise sowmya55 0 2,392 09-14-2018, 12:40 PM
Last Post: sowmya55
  CBSE Class 9 Hindi B Section wise Notes and Summary Micu Patel 0 2,466 09-13-2018, 12:07 PM
Last Post: Micu Patel
  CBSE Class 9 English Language and Literature Section wise Notes and Summary Micu Patel 0 2,377 09-13-2018, 12:06 PM
Last Post: Micu Patel



Users browsing this thread:
1 Guest(s)

Powered By MyBB, © 2002-2024 Melroy van den Berg.
Disclaimer | About Us