Computer Science Technology IT Notes PDF
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◼️ Only Computer Questions ◼️ Previous Year Questions ◼️ Hindi & English Language ◼️ One Liner & Poll MCQs
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Network:📈 Analytical overview of Telegram channel Computer Science Technology IT Notes PDF
Channel Computer Science Technology IT Notes PDF (@computer_science_it_notes_pdf) in the Hindi language segment is an active participant. Currently, the community unites 40 637 subscribers, ranking 4 542 in the Education category and 9 695 in the India region.
📊 Audience metrics and dynamics
Since its creation on невідомо, the project has demonstrated rapid growth, gathering an audience of 40 637 subscribers.
According to the latest data from 31 July, 2026, the channel demonstrates stable activity. Although there has been a change in the number of participants by 1 441 over the last 30 days and by -66 over the last 24 hours, overall reach remains high.
- Verification status: Not verified
- Engagement rate (ER): The average audience engagement rate is 0.21%. Within the first 24 hours after publication, content typically collects N/A% reactions from the total number of subscribers.
- Post reach: On average, each post receives 86 views. Within the first day, a publication typically gains 0 views.
- Reactions and interaction: The audience actively supports content: the average number of reactions per post is 1.
- Thematic interests: Content is focused on key topics such as नदी, नांगल, परियोजना, भाखड़ा, संविधान.
📝 Description and content policy
The author describes the resource as a platform for expressing subjective opinions:
“◼️ Only Computer Questions
◼️ Previous Year Questions
◼️ Hindi & English Language
◼️ One Liner & Poll MCQs”
Thanks to the high frequency of updates (latest data received on 01 August, 2026), the channel maintains relevance and a high level of publication reach. Analytics show that the audience actively interacts with content, making it an important point of influence in the Education category.
40 637
Subscribers
-6624 hours
-547 days
+1 44130 days
Posts Archive
Which of the following is called the 'introductory web page' of an organization?
किसी संगठन के ‘इन्ट्रोडक्टरी वेब पेज’ को निम्नलिखित में से क्या कहा जाता है?
Which of the following is not considered a 'value added' service of telecommunication?
निम्नोक्त में से कौन-सी, दूरसंचार की ‘मूल्य जुड़ी’ सेवा नहीं मानी जाती?
Who among the following is the person who created a new form of information display called World Wide Web?
निम्नलिखित में से वह व्यक्ति कौन सा है, जिसने सूचना प्रदर्शन का नया रूप सृजित किया जिसे World Wide Web कहा जाता है?
Who is considered the father of e-mail?
ई-मेल का जनक किसे माना जाता है?
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.
💾 मेमोरी की यूनिट्स 💾
➖➖➖➖➖➖➖➖➖➖➖➖
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.
🖥 Computer Abbreviations (A) 🖥
=========================
🔸 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
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Which of the following technologies provides fast data communication over wireless networks?
निम्न में से कौनसी तकनीक बेतार नेटवर्क पर तेज गई का डाटा संचार प्रदान करती है?
Video conferencing is done by which of the following?
वीडयो कॉन्फ़्रेंसिंग निम्न में से किसके द्वारा की जाती है?
Which of the following is video compression technology?
निम्न में से कौन वीडियो कम्प्रेशन तकनीक है?
While downloading from the internet, some files may be in compressed form, which can be expanded in which of these formats?
इन्टरनेट से डाउनलोड करते समय कुछ फाइल कंप्रेस्ड रूप में हो सकती है, जिनका विस्तार इनमे से किस फॉर्मेट में किया जा सकता है?
Which of the following is a telecommunication device?
निम्न में से कौन दूरसंचार उपकरण है?
Which hardware device converts data into meaningful information?
कौन सा हार्डवेयर डिवाइस जो डाटा को अर्थ पूर्ण इनफार्मेशन में परिवर्तित करता है ?
What controls the movement of signals between the CPU and I/O?
CPU और I/O के बीच सिग्नलों के मूवमेंट को कौन नियंत्रित करता है ?
What is the name of the world's first home computer?
विश्व के पहले घरेलु कंप्यूटर का क्या नाम है?
Which is the first computer magazine?
कंप्यूटर की पहली पत्रिका कौन सी है?
Complete List of MS Excel Shortcut Key
Ctrl+A - Select All
Ctrl+B - Bold
Ctrl+C - Copy
Ctrl+D - Fill Down
Ctrl+F - Find
Ctrl+G - Goto
Ctrl+H - Replace
Ctrl+I - Italic
Ctrl+K - Insert Hyperlink
Ctrl+N - New Workbook
Ctrl+O - Open
Ctrl+P - Print
Ctrl+R - Fill Right
Ctrl+S - Save
Ctrl+U - Underline
Ctrl+V - Paste
Ctrl W - Close
Ctrl+X - Cut
Ctrl+Y - Repeat
Ctrl+Z - Undo
F1 - Help
F2 - Edit
F3 - Paste Name
F4 - Repeat last action
F4 - While typing a formula, switch between absolute/relative refs
F5 - Goto
F6 - Next Pane
F7 - Spell check
F8 - Extend mode
F9 - Recalculate all workbooks
F10 - Activate Menubar
F11 - New Chart
F12 - Save As
Ctrl+: - Insert Current Time
Ctrl+; - Insert Current Date
Ctrl+" - Copy Value from Cell Above
Ctrl+’ - Copy Formula from Cell Above
Shift - Hold down shift for additional functions in Excel’s menu
Shift+F1 - What’s This?
Shift+F2 - Edit cell comment
Shift+F3 - Paste function into formula
Shift+F4 - Find Next
Shift+F5 - Find
Shift+F6 - Previous Pane
Shift+F8 - Add to selection
Shift+F9 - Calculate active worksheet
Shift+F10 - Display shortcut menu
Shift+F11 - New worksheet
Shift+F12 - Save
Ctrl+F3 - Define name
Ctrl+F4 - Close
Ctrl+F5 - XL, Restore window size
Ctrl+F6 - Next workbook window
Shift+Ctrl+F6 - Previous workbook window
Ctrl+F7 - Move window
Ctrl+F8 - Resize window
Ctrl+F9 - Minimize workbook
Ctrl+F10 - Maximize or restore window
Ctrl+F11 - Inset 4.0 Macro sheet
Ctrl+F1 - File Open
Alt+F1 - Insert Chart
Alt+F2 - Save As
Alt+F4 - Exit
Alt+F8 - Macro dialog box
Alt+F11 - Visual Basic Editor
Ctrl+Shift+F3 - Create name by using names of row and column labels
Ctrl+Shift+F6 - Previous Window
Ctrl+Shift+F12 - Print
Alt+Shift+F1 - New worksheet
Alt+Shift+F2 - Save
Alt+= - AutoSum
Ctrl+` - Toggle Value/Formula display
Ctrl+Shift+A - Insert argument names into formula
Alt+Down arrow - Display AutoComplete list
Alt+’ - Format Style dialog box
Ctrl+Shift+~ - General format
Ctrl+Shift+! - Comma format
Ctrl+Shift+@ - Time format
Ctrl+Shift+# - Date format
Ctrl+Shift+$ - Currency format
Ctrl+Shift+% - Percent format
Ctrl+Shift+^ - Exponential format
Ctrl+Shift+& - Place outline border around selected cells
Ctrl+Shift+_ - Remove outline border
Ctrl+Shift+* - Select current region
Ctrl++ - Insert
Ctrl+- - Delete
Ctrl+1 - Format cells dialog box
Ctrl+2 - Bold
Ctrl+3 - Italic
Ctrl+4 - Underline
Ctrl+5 - Strikethrough
Ctrl+6 - Show/Hide objects
Ctrl+7 - Show/Hide Standard toolbar
Ctrl+8 - Toggle Outline symbols
Ctrl+9 - Hide rows
Ctrl+0 - Hide columns
Ctrl+Shift+( - Unhide rows
Ctrl+Shift+) - Unhide columns
Alt or F10 - Activate the menu
Ctrl+Tab - In toolbar: next toolbar
Shift+Ctrl+Tab - In toolbar: previous toolbar
Ctrl+Tab - In a workbook: activate next workbook
Shift+Ctrl+Tab - In a workbook: activate previous workbook
Tab - Next tool
Shift+Tab - Previous tool
Enter - Do the command
Shift+Ctrl+F - Font Drop Down List
Shift+Ctrl+F+F - Font tab of Format Cell Dialog box
Shift+Ctrl+P - Point size Drop Down List
What is online learning through internet called?
इन्टरनेट द्वारा ऑनलाइन सीखना क्या कहलाता है?
Which of the following is an Internet service provider in India?
निम्न में से कौन भारत में इन्टरनेट सेवा प्रदाता है?
