🖥 COMPUTER ABBREVIATION
● AL ➾ Active Link
● ALGOL ➾ Algorithmic Language
● ALU ➾ Arithmetic Logic Unit
● AM ➾ Active Monitor
● APCI ➾ Application-Layer Protocol Control Information
● AL ➾ Active Link
● ALGOL ➾ Algorithmic Language
● ALU ➾ Arithmetic Logic Unit
● AM ➾ Active Monitor
● APCI ➾ Application-Layer Protocol Control Information
🖥 COMPUTER ABBREVIATION
● AD ➾ Active Directory
● ADC ➾ Analog to Digital Converter
● ARP ➾ Address Resolution Protocol
● AH ➾ Active Hub
● AI ➾ Artificial Intelligence
● AD ➾ Active Directory
● ADC ➾ Analog to Digital Converter
● ARP ➾ Address Resolution Protocol
● AH ➾ Active Hub
● AI ➾ Artificial Intelligence
All Generation of Computer 🖥️
🖥️ First Generation - 1940s-1950s Vacuum tube based
🖥️ Second Generation - 1950s-1960s Transistor based
🖥️ Third Generation - 1960s-1970s Integrated circuit based
🖥️ Fourth Generation - 1970s-present Microprocessor based
🖥️ Fifth Generation - The present and the future Artificial intelligence based
🖥️ First Generation - 1940s-1950s Vacuum tube based
🖥️ Second Generation - 1950s-1960s Transistor based
🖥️ Third Generation - 1960s-1970s Integrated circuit based
🖥️ Fourth Generation - 1970s-present Microprocessor based
🖥️ Fifth Generation - The present and the future Artificial intelligence based
🌺 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
☞ 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
(MS Word: important shortcut keys)
1. Decrease the font size by 1 point➡️ Ctrl+[
2. Increase the font size by 1 point➡️ Ctrl+]
3. Split the document window➡️ Ctrl+Alt+S
4. Cycle through the locations of the four previous changes made to the document➡️ Ctrl+Alt+Z
5. Switch to print preview➡️ Ctrl+Alt+I
6. Copy the selected formatting➡️ Ctrl+Shift+C
7. Indent the paragraph➡️ Ctrl+M
8. Remove paragraph formatting➡️ Ctrl+Q
9. Insert a page break➡️ Ctrl+Enter
10.Insert a hyperlink➡️ Ctrl+K
1. Decrease the font size by 1 point➡️ Ctrl+[
2. Increase the font size by 1 point➡️ Ctrl+]
3. Split the document window➡️ Ctrl+Alt+S
4. Cycle through the locations of the four previous changes made to the document➡️ Ctrl+Alt+Z
5. Switch to print preview➡️ Ctrl+Alt+I
6. Copy the selected formatting➡️ Ctrl+Shift+C
7. Indent the paragraph➡️ Ctrl+M
8. Remove paragraph formatting➡️ Ctrl+Q
9. Insert a page break➡️ Ctrl+Enter
10.Insert a hyperlink➡️ Ctrl+K
PowerPoint: Important Shortcut keys
☞Ctrl+N : Create new presentation
☞Ctrl+M : Add a new slide
☞Page down : Go to the next slide
☞Page up : Go to the previous slide
☞F5 : Start the slide show
☞Ctrl+Q : Close PowerPoint
☞Ctrl+Spacebar : Play or pause media
☞Ctrl+Backspace : Delete one word to the left
☞Ctrl+C : Copy selected object or text
☞Ctrl+D / Ctrl+Drag the mouse : Duplicate an object
(Office 2010 and Office 2007: Not available)
☞Ctrl+G : Group selected shapes, pictures, or WordArt objects
☞Ctrl+N : Create new presentation
☞Ctrl+M : Add a new slide
☞Page down : Go to the next slide
☞Page up : Go to the previous slide
☞F5 : Start the slide show
☞Ctrl+Q : Close PowerPoint
☞Ctrl+Spacebar : Play or pause media
☞Ctrl+Backspace : Delete one word to the left
☞Ctrl+C : Copy selected object or text
☞Ctrl+D / Ctrl+Drag the mouse : Duplicate an object
(Office 2010 and Office 2007: Not available)
☞Ctrl+G : Group selected shapes, pictures, or WordArt objects
MS Excel : important facts
1.☞By default file name : Book1
2.☞Minimum and maximum zoom% : 10% and 400%
3.☞File Extension : .xlsx
4.☞Insert date : Today ( )
5.☞Insert current date and time : Now ( )
6.☞Column and Rows : 16384 and 1048576
7.☞First cell address : A1
8.☞Default page orientation : portrait
9.☞Cell comments called : Cell Tip
10.☞Font size minimum and maximum : 1 Pt and 409 Pt
1.☞By default file name : Book1
2.☞Minimum and maximum zoom% : 10% and 400%
3.☞File Extension : .xlsx
4.☞Insert date : Today ( )
5.☞Insert current date and time : Now ( )
6.☞Column and Rows : 16384 and 1048576
7.☞First cell address : A1
8.☞Default page orientation : portrait
9.☞Cell comments called : Cell Tip
10.☞Font size minimum and maximum : 1 Pt and 409 Pt
#Computer_Quizz
1. New Project dialog box में डेवलपर किस प्रकार का प्रोजेक्ट चुन सकता है ?
a) Visual Basic Projects
b) Visual C# Projects
c) Visual C++ Projects
d) All of the above
Answer – (d) All of the above
2. कौनसा Visual Studio IDE का मुख्य अंग नहीं है ?
a) Solution Explorer
b) Tool Box
c) Start Menu
d) Designer Window
Answer – (c) Start Menu
3. VB.Net में ASP का पूरा नाम क्या है ?
a) Active Service Pages
b) Active Server Pages
c) Acrice Server Pages
d) Acrice Service Pages
Answer – (b) Active Server Pages
4. इनमें से कौनसा IDE का हिस्सा नहीं है ?
a) Code editor window
b) Properties window
c) Form layout window
d) General window
Answer – (d) General window
5. इनमें से Application बनाने के लिए Visual Basic किस टूल की अनुमति देता है?
a) Real time
b) Graphical User Interface
c) Menu Driven
d) None Of These
Answer – (b) Graphical User Interface
6. विजुअल बेसिक ____ है |
a) Procedural programming language
b) Object-oriented programming language
c) Hyperlink programming language
d) Sequential programming language
Answer – (b) Object-oriented programming language
7. Visual Basic में, हम किस ऑब्जेक्ट के साथ काम करते हैं ?
a) Programmer preference
b) Projects, solutions, and procedures
c) Classes, actions, and disciplines
d) Properties, methods, and events
Answer – (d) Properties, methods, and events
8. इनमें से कौनसा IDE का हिस्सा नहीं है ?
a) Project Explorer Window
b) Code window
c) Form layout window
d) Text box
Answer – (d) Text box
9. Properties को हम दो तरीके से देख सकते हैं –
a) Alphabetic and Categorized
b) Alphabetic and Numeric
c) Numeric and Alphanumeric
d) None of these
Answer – (a) Alphabetic and Categorized
1. New Project dialog box में डेवलपर किस प्रकार का प्रोजेक्ट चुन सकता है ?
a) Visual Basic Projects
b) Visual C# Projects
c) Visual C++ Projects
d) All of the above
Answer – (d) All of the above
2. कौनसा Visual Studio IDE का मुख्य अंग नहीं है ?
a) Solution Explorer
b) Tool Box
c) Start Menu
d) Designer Window
Answer – (c) Start Menu
3. VB.Net में ASP का पूरा नाम क्या है ?
a) Active Service Pages
b) Active Server Pages
c) Acrice Server Pages
d) Acrice Service Pages
Answer – (b) Active Server Pages
4. इनमें से कौनसा IDE का हिस्सा नहीं है ?
a) Code editor window
b) Properties window
c) Form layout window
d) General window
Answer – (d) General window
5. इनमें से Application बनाने के लिए Visual Basic किस टूल की अनुमति देता है?
a) Real time
b) Graphical User Interface
c) Menu Driven
d) None Of These
Answer – (b) Graphical User Interface
6. विजुअल बेसिक ____ है |
a) Procedural programming language
b) Object-oriented programming language
c) Hyperlink programming language
d) Sequential programming language
Answer – (b) Object-oriented programming language
7. Visual Basic में, हम किस ऑब्जेक्ट के साथ काम करते हैं ?
a) Programmer preference
b) Projects, solutions, and procedures
c) Classes, actions, and disciplines
d) Properties, methods, and events
Answer – (d) Properties, methods, and events
8. इनमें से कौनसा IDE का हिस्सा नहीं है ?
a) Project Explorer Window
b) Code window
c) Form layout window
d) Text box
Answer – (d) Text box
9. Properties को हम दो तरीके से देख सकते हैं –
a) Alphabetic and Categorized
b) Alphabetic and Numeric
c) Numeric and Alphanumeric
d) None of these
Answer – (a) Alphabetic and Categorized
Q. First generation computers used for memory
A) vacuum tubes
B) silicon chips
C) magnetic drum
D) RAM
Ans : C ( magnetic drum )
Q. Which of the following memories allows simultaneous read and write operations?
A) ROM
B) RAM
C) EPROM
D) None of above
Ans : B ( RAM)
Q EPROM can be used for
A) Erasing the contents of ROM
B) Reconstructing the contents of ROM
C) Erasing and reconstructing the contents of ROM
D) Duplicating ROM
Ans : C ( Erasing and reconstructing the contents of ROM )
Q. ENIAC uses
A) Decimal Numbering System
B) Octal Numbering System
C) Binary Numbering System
D) Hexadecimal Numbering System
Ans : A ( Decimal Numbering System )
Q. A term associated with the comparison of processing speeds of different computer system is:
A) EFTS
B) MPG
C) MIPS
D) CPS
Ans : C ( MIPS )
Q. which of the following is problem oriented language?
A) High level language
B) Machine language
C) Assembly language
D) Low level language
Ans : A ( High level language )
Q. A 32 bit microprocessor has the word length equal to
A) 2 byte
B) 32 byte
C) 4 byte
D) 8 byte
Ans : C ( 4 byte )
Q. The term GIGO is related to
A) Accuracy
B) Reliability
C) Versatility
D) Automatic
Ans : A ( Accuracy )
Q. Web cam is an
A) input unit device
B) output unit device
C) processing device
D) Input and Output device
Ans : A ( input unit device )
Q. Bit stands for
A) Binary digits
B) bit of system
C) a part of byte
D) All of above
Ans : A ( Binary digits )
Q. Access time is
A) seek time + latency time
B) seek time
C) seek time ? latency time
D) latency time
Ans : A ( seek time + latency time)
Q. Which device can understand difference between data & programs?
A) Input device
B) Output device
C) Memory
D) Microprocessor
Ans : D ( Microprocessor )
Q. Which of the following is a read only memory storage device?
A) Floppy Disk
B) CD-ROM
C) Hard Disk
D) None of these
Ans : B ( CD-ROM )
Q. Symbolic logic was discovered by
A) George Boole
B) Herman Hollerith
C) Van Neumann
D) Basic Pascal
Ans : A ( George Boole)
A) vacuum tubes
B) silicon chips
C) magnetic drum
D) RAM
Ans : C ( magnetic drum )
Q. Which of the following memories allows simultaneous read and write operations?
A) ROM
B) RAM
C) EPROM
D) None of above
Ans : B ( RAM)
Q EPROM can be used for
A) Erasing the contents of ROM
B) Reconstructing the contents of ROM
C) Erasing and reconstructing the contents of ROM
D) Duplicating ROM
Ans : C ( Erasing and reconstructing the contents of ROM )
Q. ENIAC uses
A) Decimal Numbering System
B) Octal Numbering System
C) Binary Numbering System
D) Hexadecimal Numbering System
Ans : A ( Decimal Numbering System )
Q. A term associated with the comparison of processing speeds of different computer system is:
A) EFTS
B) MPG
C) MIPS
D) CPS
Ans : C ( MIPS )
Q. which of the following is problem oriented language?
A) High level language
B) Machine language
C) Assembly language
D) Low level language
Ans : A ( High level language )
Q. A 32 bit microprocessor has the word length equal to
A) 2 byte
B) 32 byte
C) 4 byte
D) 8 byte
Ans : C ( 4 byte )
Q. The term GIGO is related to
A) Accuracy
B) Reliability
C) Versatility
D) Automatic
Ans : A ( Accuracy )
Q. Web cam is an
A) input unit device
B) output unit device
C) processing device
D) Input and Output device
Ans : A ( input unit device )
Q. Bit stands for
A) Binary digits
B) bit of system
C) a part of byte
D) All of above
Ans : A ( Binary digits )
Q. Access time is
A) seek time + latency time
B) seek time
C) seek time ? latency time
D) latency time
Ans : A ( seek time + latency time)
Q. Which device can understand difference between data & programs?
A) Input device
B) Output device
C) Memory
D) Microprocessor
Ans : D ( Microprocessor )
Q. Which of the following is a read only memory storage device?
A) Floppy Disk
B) CD-ROM
C) Hard Disk
D) None of these
Ans : B ( CD-ROM )
Q. Symbolic logic was discovered by
A) George Boole
B) Herman Hollerith
C) Van Neumann
D) Basic Pascal
Ans : A ( George Boole)
📢 inkjet printer is
Anonymous Quiz
23%
Impact Printer
57%
Non Impact Printer
13%
Character Printer
7%
Line Printer
📢 Dot matrix printer is
Anonymous Quiz
9%
Page Printer
60%
Impact Printer
19%
Non Impact Printer
11%
Laser printer
📢 What is the shortcut key to create a new folder in Windows 10?
Anonymous Quiz
13%
Shift + n
28%
Windows key +n
51%
Ctrl + shift +n
8%
Alt + shift + n
📢 What does ACL mean in the context of network security?
Anonymous Quiz
10%
Account control list
48%
Access control list
37%
Access control loop
5%
Account counting list
📢 MS WORD is a type of software
Anonymous Quiz
13%
System Software
9%
Utility Software
71%
Application Software
7%
Operating System
📢 What is the default orientation of Excel's worksheet?
Anonymous Quiz
6%
Hanging
40%
Landscape
19%
Horizontal.
35%
Portrait
📢 In which of the following is the speed of a computer's processor measured?
Anonymous Quiz
15%
BPS
32%
MIPS
11%
BAND
41%
Hertz.
📢 Which standard protocols is the most widely used by the Internet?
Anonymous Quiz
55%
HTTP
40%
TCP/IP
5%
SMTP
1%
SLIP
🐾 In Microsoft Word, what is the command for “Cut”?
माइक्रोसॉफ्ट वर्ड में कौन-सा “Cut” कमांड है?
माइक्रोसॉफ्ट वर्ड में कौन-सा “Cut” कमांड है?
Anonymous Quiz
2%
Cntrl +A
27%
Cntrl +C
68%
Cntrl +X
3%
Cntrl +Z
🎀 In Microsoft Word, what is the command for “Undo”?
माइक्रोसॉफ्ट वर्ड में कौन-सा “Undo” कमांड है?
माइक्रोसॉफ्ट वर्ड में कौन-सा “Undo” कमांड है?
Anonymous Quiz
2%
Cntrl +A
7%
Cntrl +R
27%
Cntrl +U
64%
Cntrl +Z
🎀 What is the default orientation of Excel's worksheet?
Anonymous Quiz
7%
Hanging
38%
Portrait
44%
Landscape
11%
Horizontal
🎀 Which is the first spreadsheet software
Anonymous Quiz
23%
Lotus123
42%
MS Excel
15%
Visicalc
21%
DOS Excel