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বিষয় ভিত্তিক প্রস্তুতি : বাংলদেশ ও বিশ্ব, দৈনন্দিন বিজ্ঞান এবং সাম্প্রতিক ঘটনাবলি
√বিসিএস সহ বিভিন্ন চাকরির পরীক্ষায় কম্পিউটার ও তথ্য প্রযুক্তি থেকে বহু বার আসা কিছু টার্মের পূর্ণরূপঃ

01. RAM = Random Access Memory.
02. ROM = Read Only Memory.
03. CD = Compact Disk.DVD - Digital Video Disk.
04. GB = Giga Byte.
05. HDD = Hard Disk Drive.
06. FDD = Floppy Disk Drive.
07. CPU = Central Proccessing Unit.
08. BIOS = Basic Input Output System.
09. E-MAIL = Electronic Mail.
10. LAN = Local Area Network.
11. MAN = Metropoliton Area Network.
12. WAN = Wide Area Network.
13. WWW = World Wide Web.
14. USB = Universal Serial Bus.
15. PC = Personal Computer.
16. HTML = Hyper Text Mark Up Language.
17. HTTP = Hyper Text Transfer Protocal.
18. VIRUS = Vital Intormation Resources Under Serize.
19. ICT = Information and Communication Technology.
20.Wifi-Wireless fidelity
21.WimaX - Worldwide interoperability for microwave access
22.bps-bits per second
23.IP- Internet Protocol
24.TCP-Transfer Control Protocol
25.FTP-File Transfer Protocol
26.SMTP-Simple Mail Transfer Protocol
27. POST- Power on self Start
28. URL- Uniform resource locator
29. GPS - Global Positioning System
30.GSM-global system of mobile communication
31.GPRS = General Packet Radio Service
32.Windows XP= Windows Experience
33.SIM= Subscriber Identity Module
34.SMS= Short Message Service
35.MMS= Multimedia Messaging Service
36.PIN= Personal Identity Number
37.PUK= Personal Unblocking Key
38.ISD= International Subscriber Dialing
39.ASCII-- American Standard Code for Information Interchange
40.DB— Database
41.DBMS-- Database Management System
44.UPS—Uninterrupted Power Supply
43.ISP— Internet Service Provider
44.LCD --Liquid Crystal Display.
45. LED ---Light Emitting Diode.
46. VLSI-- Very Large Scale Integration
47.VOIP--Voice Over Internet Protocol
48.VPN -- Virtual Private Network.
49.VSAT--Very Small Aperture Terminal
50.SNS - Social Network Service.
51. SQL— Structured Query Language
52.PNG— Portable Network Graphics
53.OS— Operating System
54.DOS-Disk Operating System
55. OCR— Optical Character Recognition
56.OMR- Optical mark Recognition
57.MIDI--Musical Instrument Digital Interface
58. MPEG - Moving Pictures Experts Group.
59.PDF-Portable Document Format
60.ISP— Internet Service Provider
61. JPEG— Joint Photographic Expert Group