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Q. What do you mean by Video Memory ?
As declared before video memory is also entitled framebuffer since it buffers video frames to be displayed. The quality of a video display relies a lot on how quickly can the framebuffer be accessed and be updated by video system. In early video systems video memory was just a fixed area of system RAM. Afterwards there was video RAM that came with video cards themselves and could be increased by putting additional video RAM under UMA (Unified Memory Architecture). Video RAM is again part of system RAM. UMA is what you get in modern low-cost motherboards with on-board video and sound cards etc.
Amount of video memory necessary is dependent on resolution and colour-depth required of the system. Let's see how to calculate amount of video memory required. The video memory required is simply the resolution (which means the total number of pixels) multiplied by Colour Depth.
Q. Explain Real time system? A real time system defines an interactive processing system with severe time limitations. A real-time system is used whenever there are rigid time
Smugglers are becoming very smart day by day. Now they have developed a new technique of sending their messages from one smuggler to another. In their new technology, they are send
Q. Explain about Magnetic Disk? A disk is circular platter constructed of nonmagnetic material known as substrate, coated with a magnetisable material. This is used for storing
Learning Weights in Perceptrons - Artificial neural network In detail we will look at the learning method for weights in multi-layer networks next chapter. The following descri
Lists out some applications of Shift Register. Ans: Applications of Shift Registers: a. Serial to Parallel Converter b. Parallel to Serial Converter c. Delay li
The number of flip flops contained in IC 7490 is ? Ans. 2 flip flops contained in IC 7490.
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What are the advantages and disadvantages of Mealy and Moore state machine? Advantage and Disadvantage of Mealy and Moore state machine: In Mealy as the output variable is a
Q. Write a menu driven program to perform addition and subtraction in base 5. Check that entered numbers are in base 5 or not else error message should be displayed.
Write a program which collects in data samples from a port at 1 ms interval. The upper 4 bits collected data same as mastered and stored in an array in successive locations. ; R
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