✅ QUICK FACT COMPUTER : ONE LINER

1. Father of Computer - CHARLES BABBAGE
2. Father of Modern Computer Science - ALAN TURING
3. First Un Programmable Digital Computer - ATANASOFF BERRY COMPUTER (ABC)
4. First Electronic Digital Computer - ENIAC
5. ENIVAC stands for - ELECTRONIC NUMERIC INTEGRATOR AND CALCULATOR
6. World'S Fastest Computer - Sunway TaihuLight, in China.
7. India's Fastest Computer - PARAM SIDDHI AI
8. PARAM SIDDHI AI developed by - Centre for Development of Advanced Computing (CDAC)

💻 GENERATIONS OF COMPUTERS :

1. First Generation - (1940-56) - Vacuum tubes - Batch processing OS
2. Second Generation - (1956-63) - Transistors - Multi bag / Time sharing OS
3. Third Generation - (1964-71) - Integrated Circuits - Timesharing/ Real time OS
4. Fourth Generation - (1971-80) - Microprocessors - Real time/ Multi programming OS
5. Fifth Generation - (1980- present) - Semi conductors - Real time/ Multi programming OS

🕹 GENERATION LANGUAGE :

1st - Machine and Assembly language
2nd - Assembly language and high level languages (FORTRAN , COBOL)
3rd - High level languages (FORTRAN II - IV , COBOL , PASCAL , BASIC, ALGOL68)
4th - High level languages(FORTAN 77 , PASCAL , COBOL)
5th - High level languages(C , C++ ,JAVA , .NET)

THESE ARE THE MEANING OF THE FOLLOWING ABBREVIATIONS.
___________________________

1.) GOOGLE - Global Organization Of Oriented Group Language Of Earth.
2.) YAHOO - Yet Another Hierarchical Officious Oracle.
3.) WINDOW - Wide Interactive Network Development for Office work Solution.
4.) COMPUTER - Common Oriented Machine Particularly United and used under Technical and Educational Research.
5.) VIRUS - Vital Information Resources Under Siege.
6.) UMTS - Universal Mobile Telecommunicati ons System.
7.) AMOLED - Active-matrix organic light-emitting diode.
8.) OLED - Organic light-emitting diode.
9.) IMEI - International Mobile Equipment Identity.
10.) ESN - Electronic Serial Number.
11.) UPS - Uninterruptible power supply.
12. HDMI - High-Definition Multimedia Interface.
13.) VPN - Virtual private network.
14.) APN - Access Point Name.
15.) SIM - Subscriber Identity Module.
16.) LED - Light emitting diode.
17.) DLNA - Digital Living Network Alliance.
18.) RAM - Random access memory.
19.) ROM - Read only memory.
20.) VGA - Video Graphics Array.
21.) QVGA - Quarter Video Graphics Array.
22.) WVGA - Wide video graphics array.
23.) WXGA - Widescreen Extended Graphics Array.
24.) USB - Universal serial Bus.
25.) WLAN - Wireless Local Area Network.
26.) PPI - Pixels Per Inch.
27.) LCD - Liquid Crystal Display.
28.) HSDPA - High speed down-link packet access.
29.) HSUPA - High-Speed Uplink Packet Access.
30.) HSPA - High Speed Packet Access.
31.) GPRS - General Packet Radio Service.
32.) EDGE - Enhanced Data Rates for Globa Evolution.
33.) NFC - Near field communication.
34.) OTG - On-the-go.
35.) S-LCD - Super Liquid Crystal Display.
36.) O.S - Operating system.
37.) SNS - Social network service.
38.) H.S - HOTSPOT.
39.) P.O.I - Point of interest.
40.) GPS - Global Positioning System.
41.) DVD - Digital Video Disk.
42.) DTP - Desk top publishing.
43.) DNSE - Digital natural sound engine.
44.) OVI - Ohio Video Intranet.
45.) CDMA - Code Division Multiple Access.
46.) WCDMA - Wide-band Code Division Multiple Access.
47.) GSM - Global System for Mobile Communications.
48.) WI-FI - Wireless Fidelity.
49.) DIVX - Digital internet video access.
50.) APK - Authenticated public key.
51.) J2ME - Java 2 micro edition.
52.) SIS - Installation
53.) DELL - Digital electronic link library.
54.) ACER - Acquisition Collaboration Experimentation Reflection.
55.) RSS - Really simple syndication.
56.) TFT - Thin film
57.) AMR- Adaptive Multi-Rate.
58.) MPEG - moving pictures experts group.
59.) IVRS - Interactive Voice Response System.
60.) HP - Hewlett
Packard.

🖥 Computer Abbreviations (A) 🖥
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🔸 ACE➖Access Control Entry

🔸 ADSL➖Asymmetric Digital Subscriber Line

🔸 AGP➖Accelerated Graphics Port

🔸 AI➖Artificial Intelligence

🔸 ALGOL➖Algorithmic Language

🔸 ALU➖Arithmetic Logic Unit

🔸 ANSI➖American National Standards Institute

🔸 API➖Application Program Interface

🔸 ARPANET➖Advanced Research Projects Agency Network

🔸 ASCII➖American Standard Code For Information Interchange

🔸 ASP➖Active Server Pages

🔸 AUI➖Attachment Unit Interface

🔸 AVI➖Audio Video Interleave

💾 मेमोरी की यूनिट्स 💾
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1⃣: 1Bit (b) = Binary digit(0,1)

2⃣: 4 Bit = 1 Nibble

3⃣: 8 Bit = 1 Byte (B)

4⃣: 8 Bit/1 Byte = 1 Octet(o)

5⃣: 1024 Bytes = 1 kilo byte (KB)

6⃣: 1024 KB = 1 Mega byte (MB)

7⃣: 1024 MB = 1 Giga byte (GB)

8⃣: 1024 GB = 1 Terra byte (TB)

9⃣: 1024 TB = 1 Peta byte (PB)

🔟: 1024 PB = 1 Exa byte (EB)

1⃣1⃣: 1024 EB = 1 Zetta byte (ZB)

1⃣2⃣: 1024 ZB = 1 Yotta byte (YB)

1⃣3⃣: 1024 YB = 1 Bronto byte

1⃣4⃣: 1024 Brontobyte = 1 Geop byte

Geop byte is the highest memory.