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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. What do you mean by PROC Directive? PROC Directive: Code segment comprises executable code for a program that includes one or more procedures defined initially with PROC dir
Q. Explain about Registers? A register is a group of flip-flops that store binary information and gates that controls when and how information is transferred to register. An n-
There are various limitations of primary memory like limited capacity which is its not enough to store a very large volume of data and volatility which is when power is turned off
How to use messages in lists? ABAP/4 permits you to react to incorrect or doubtful user input by displaying messages that influence the program flow depending on how serious
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Q . Write a subroutine in C which toggles the cursor? Write a subroutine in C which toggles the cursor. It takes one argument which toggles the value between on (1) and off (0)
Q. What is Accumulator Register? Accumulator Register (AC): This register is used to store data temporarily for computation by Arithmetic and logic unit (ALU). AC generally c
State about the Object oriented analysis design Object oriented analysis design (OOAD) is a bottom up approach which supports viewing system as a set of components (objects) w
External Interrupt: Interrupt signal came from input-output devices connected external to processor. These interrupts depend on external conditions that are independent of the
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