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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 38 338 subscribers, ranking 4 910 in the Education category and 10 695 in the India region.
📊 Audience metrics and dynamics
Since its creation on невідомо, the project has demonstrated rapid growth, gathering an audience of 38 338 subscribers.
According to the latest data from 15 June, 2026, the channel demonstrates stable activity. Although there has been a change in the number of participants by 1 502 over the last 30 days and by -68 over the last 24 hours, overall reach remains high.
- Verification status: Not verified
- Engagement rate (ER): The average audience engagement rate is 1.33%. 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 511 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 3.
- 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 16 June, 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.
38 338
Subscribers
-6824 hours
-1227 days
+1 50230 days
Posts Archive
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?
While composing an e-mail, we get three options – To, CC and BCC, what is the meaning of BCC here?
किसी ई-मेल को कंपोज करते समय, हमने तीन विकल्प मिलते है- To, CC और BCC, यहाँ BCC का क्या होता है?
What was the name of the first computer?
सबसे प्रथम कंप्यूटर का नाम क्या था ?
How many bytes are there in 1 kilobyte (KB)?
1 किलोबाइट (KB) में कितने बाइट होते है ?
Which of the following is an input unit?
इनमें से कौन इनपुट इकाई है ?
Which of the following file formats is supported in Windows 7?
निम्न में से कौनसा फाइल स्वरुप विंडोज 7 में सपोर्ट करता है?
What is the full name of GUI?
जीयूआई का पूर्ण नाम क्या है ?
🌺 Full Forms of Computer Abbreviations
☞ ABC : Tans off – Berry computer
☞ A/D : Analog to digital
☞ GP : Graphics port
☞ AI : Artificial intelligence
☞ ALGOL : Algorithmic Language
☞ ALU : Arithmetic Logic Unit
☞ AM : Amplitude Modulation
☞ AMD : Advanced Micro Devices
☞ ANSI : American National standards Institute
☞ ARPNET : Advanced Research Project Agency Network
☞ ASIC : Application specific Integration circuit
☞ ASCII : Americna Standard code for Information Interchange
☞ ATM : Asynchronous Transfer Mode/Automatic Teller Machine
☞ BARC : Bhabha Atomic Research centre
☞ Basic : Beginners‟ All – Purpose symbolic In-suction code
☞ BCD : Binary coded Decimal
☞ BEMA : Business Equipment Manufactures association
☞ BIOS : Basic Input Output system
☞ BCR : Bar code Reader
☞ BPI : Bytes per Inch
☞ BPS : Bits Per Second
☞ BSNL : Bhrat Snchar Nigm Limited
☞ CAD : Computer Aided Design
☞ CAL : Computer Aided Leering
☞ CAM : Computer Aided Manufacturing
☞ CD : Compact Disk
☞ C-DAC : Centre for Development of Advanced computing
☞ C-DOT : Centre for Development of Telemetric
☞ CD-R : Compact Disk-Recordable
☞ CD-ROM : Compact Disk-Read only Memory
☞ CD-R/W : Compact Disk-Read/Write
☞ Class : Computer Literacy and Studies in school
☞ CMOS : Complementary Metal oxide semiconductor
☞ COBOL : Common business oriented Language
☞ CMY : Cyan – Magenta – Yellow
☞ Comal : Common Algorithmic Language
☞ CPI : Character Per Inch
☞ CPS : Central Processing Unit
☞ CRS : Compueriesed Reservation system
☞ CRT : Cathode Ray tube
☞ CTS : Clear to send
☞ CU : Control Unit
☞ D/a : Digital – to – Analog
☞ DBMS : Data Base Management system
☞ DDS : Digital Data Storage
☞ DEC : Digital Equipment Corporation
☞ DOS : Disk Operating system
☞ DPI : Dots per Inch
☞ DRDO : Defense Research and Development Organization
☞ DSHD : Double sided high Density
☞ DTP : Desk op publishing
☞ DTR : Data Terminal Ready
☞ DTS : Digital theater system
☞ DVD : Digital Video/Versatile Disk
☞ E-business : Electronicd business
☞ E-Commerce : Electronic Commerce
☞ E-Mail : Electronic Mail
☞ EBCDIC : Exended binary coded Decimal In terchange Code
☞ EDP : Electronic data processing
☞ EEPROM : Electrically Erasable programmable Read only memory
☞ EFT : Electronic fund Transfer
☞ ENIAC : Electronic Numerical integrator and calculator
☞ EPROM : Erasable programmable Read ony Memory
☞ ERNET : Education and Research Network
☞ EXE : Execution
☞ FAT : file allocation table
☞ FD : Floppy disk
☞ FDM : Frequency division multiplexing
☞ FET : Eifel Effect Transitory
☞ FIFO : First – In, First – out
☞ FILO : First In, Last Out
☞ FM : Frequency Modulation
☞ Fortran : Formula translation
☞ FSK : Frequency shift Keying
☞ FTP : file Transfer Protocol
☞ GB : Giga Bytes
☞ GIGO : Garbage in garbage out
☞ GIS : Geographical information system
☞ GPL : general public license
☞ GPS : Global positioning system
☞ GUI : Graphical user interface
☞ HLL : High Level Language
☞ HP : Hewlett Packard
☞ HTML : Hyper Text Markup Language
☞ HTTP : Hyper Text Tranfer Protocol
☞ IBM : International business Machines
☞ IC : Integrated Circuit
☞ I/O : Input – Output
☞ IP : Internet Protocol
☞ IRC : Internet Relay chat
☞ ISDN : Integrated services digital Network
☞ ISH : Information super highway
☞ ISO : International standards Organization
☞ ISP : Internet service provider
☞ IT : Information technology
☞ JPEG : Joint Photographic expert group
☞ JRE : Jav Runtime Engine
☞ JSP : Java Server pages
☞ KB : Kilo bytes
☞ KIPS : Knowledge information processing system
☞ LAN : Local Area Network
☞ Laser : Light amplification for stimulated emission of radiation
☞ LCD : Liquid crystal display
☞ LD : Laser diode
☞ LEd : Light – Emitting diode
☞ LISP : Lit processing
☞ LLL : Low Level language
☞ LSD : Least significant digit
☞ LSI : Least significant digit
☞ LSI : Large scale integration
☞ MAN : Metropolitan Area Network
☞ MB : Mega Bytes
☞ MHz : Mega Hertz
☞ MICR : Magnetic Ink character recognition
How many bytes are there in 1 megabyte (MB)?
1 मेगाबाइट (MB) में कितने बाइट होते है ?
🔆Types of cyber security attack
✅Malware: It is any kind of software that is designed to cause damage to a single computer, server, or computer network.
Like- Ransomware, Spyware, Worms, viruses & Trojans are all varieties of malware.
✅Spoofing: Cybercriminals try impersonating a bank’s URL with a website that is quite similar to the original one and has similar functions as well.
✅Phishing: it is attempting to obtain sensitive information such as credit card details, etc. for fraudulent activities, by disguising oneself as an authentic, trustworthy entity via electronic communication
✅Denial of Service attacks: It is an attack meant to shut down a machine or network, making it inaccessible to its intended users.
✅Man-in-the-middle (MitM) attacks: They occur when attackers insert themselves into a two-party transaction.
✅Structured Query Language (SQL) Injection: SQL stands for a programming language used to communicate with databases.
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 ?
The function of the central processing unit of a computer is _____?
कम्प्यूटर के सेंट्रल प्रोसैसिंग यूनिट का फंक्शन _____ होता है?
What are the three main parts of the processor?
A. Cache, control unit and register
B. ALU, control unit and register
C. None of these
D. ALU, control unit and RAM
प्रोसेसर के तीन मुख्य भाग कौन कौन से है ?
A. कैश, कंट्रोल यूनिट और रजिस्टर
B. ALU, कंट्रोल यूनिट और रजिस्टर
C. इनमें से कोई नहीं
D. ALU, कंट्रोल यूनिट और RAM
