- Andre Truong Trong Thi (1936-2005) was a Vietnamese French Engineer. He is considered to be the Father of the personal computer for creating the MICRAL N ( Micro Computer) in based on an Intel 8008 Processor in 1973.
- ENIAC was very big. It weighed 30 tons and its size was roughly 2.4m x 0.9m x 30m. It consumed 160 KW of Electric power.
- A microprocessor is a single chip that can do all the processing of a computer. The personal computers or micro computers used today also have the microprocessor inside them.
- An integrated circuit (IC) is a small electronic device made out of a semiconductor material. The first integrated circuit was developed in the 1950s by Jack Kilby Texas Instruments and Robert Noyce of Fairchild Semiconductor.
- The file extension of sound files are .WAV
- Speech recognition is the ability of Window XP to convert spoken words to written text.
- Time is seen on the right hand side on the system Tray of the Taskbar on the Desktop. The Date/Time properties screen can also be opened by "double clicking" on the time shown on the system tray.
- Check your HTML document in the web browser every time you make changes to it to find whether the changes made by you have taken the desired effect or not.
- A pixel is the smallest lighted dot on the screen with which characters are formed. There are 72 pixels in an inch. 1 inch = 72 pixels.
- You need to be at least 13 years old to be a member of the Facebook community.
- The coordinates of a pixel are the numbers that tell you how for across and how far down that pixel lies on the screen.
- It is not mandatory to give the color code in the PSET command. If you do not specify a color code, QBasic will give the output in white color.\
- While creating a chart, always keep in mind the message you want to convy. We can make different types of charts using the same data.
- The easy method to create a chart without using the chart wizard is to select the data and press F11 key on the keyboard.
- In MS Excel, you can create absolute, relative or mixed references in a formula. You can easily change from one reference type to another without having to retype it by pressing F4.
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Keyboard Shortcuts
Shortcut keys help provide an easier and quicker method of navigating and executing commands in the computer software.
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Hardware Tips
Learn about the latest computer hardware and find out how to diagnose
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Knowledge Practise questions and answers
Here you can practise more questions and answers to improve your knowledge on computer
Wednesday 28 June 2017
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