What is a Computer Network? Computer Network is a set of computers and devices connected together by communication channels that facilitate communication and sharing of

Word Processing Software Word Processing Software is used to create documents, drafts, letters, reports, essays, write-ups, etc. that can be created using word processing software.

Data processing systems characteristically maneuver raw data into information. Elements of Data Processing: To be processed by a computer, data needs to first be converted

Database : Structured assembly of logically related data Self-describing collection of integrated records It is the data dictionary that makes data independence possible It is

Used to store data records. Well-defined data structures that contain related data organized in convenient records of data items. Each data file has two additional

Accomplishes specific tasks for users. Enables a computer to become a multi-purpose machine. Produce worksheets and reports. Automate record keeping like attendance and grades. Create

Operating Systems: It is the master controller within a computer.  Example: Windows, MACOS, DOS, UNIX, Linux An operating system interacts with: All hardware is installed

The language in which a computer program is written is known as a programming language. The computer performs its functions based on the instructions given

The Internet is a collection of local, regional, national, and international computer networks. The Internet evolved with four computers into a vast information network that

A computer is an electromechanical device that takes raw data as input, processes the raw data with control of set of instructions and gives the

🔷 कम्प्यूटर एक इलेक्ट्रानिक मशीन है । इसका हिंदी नाम संगणक है ।   🔷आधुनिक कम्प्यूटर का पिता चार्ल्स बैवेज को कहते हैं ।  

📟 FTP- File transfer protocol   📟 HTTP – Hypertext transfer protocol   📟 HTTPS- Hypertext transfer protocol over secure sockets layer   📟 APIPA-

ADB – Asian Development Bank AI Artificial Intelligence ALGOL – Algorithmic Language ALU – Arithmetic Logic Unit ARPANET – Advanced Research Projects Agency Network ASP

Abbreviation Full-Form AC Alternating Current DC Direct current ADSL Asymmetrical Digital Subscriber Line API Application Programming Interface BIOS Basic Input/Output System CD Compact Disc CD-ROM

Important PC Keyboard Shortcuts | Commands Description/Function Shortcut keys Select all ctrl+A Bold ctrl+B Copy ctrl+C font dialogue box ctrl+D Justified alignment ctrl+J Left alligment

AGP (Accelerated Graphics Port) – An interface that is designed for video cards to allow high speed transmission between the CPU, memory and the video

SHORT CUT KEYS Ctrl + A – Select All Ctrl + B – Bold Ctrl + C – Copy Ctrl + D – Fill Ctrl