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Define Random scan/Raster scan displays?
Random scan is a method in which the display is made by the electronic beam which is directed only to the points or part of the screen where the picture is to be drawn. The Raster scan system is a scanning method in which the electrons sweep from top to bottom and from left to right. The intensity is turned on or off to light and unlight the pixel.
Discuss in brief the history of E-Commerce. History of E-commerce illustrated below: E-commerce began before personal computers were prevalent and has grown into a multibill
What are Addressing Modes Many of instructions that a computer actually executes during running of a program concern movement of data to and from memory. It is not possible sim
Register Transfer We assign computer registers by capital letters to denote function of the register. Such as, the register which holds an address for memory unit is usually
1's complement representation of decimal number of -17 by using 8 bit representation is ? Ans. (17) 10 = (10001) 2 In 8 bit = 00010001 1's Complement = 11101110
Q. What do you mean by Interrupts? The term interrupt is an exceptional event which causes CPU to temporarily transfer its control from presently executing program to a separat
What are the features of the hardwired control? A controller that uses this approach can function at high speed. It has little flexibility and the complexity of the instruction
Define Operation code. The Operation code of an instruction is a group of bits that explain such operations as add, sub, ,shift, mul and complement.
Q. What do you mean by Information System? An information system is an planned combination of hardware, people, communication networks, software and data resources that transfo
Question (a) Imagine you need to move people through a distance of 10 miles, with the following specifications. • Car: capacity = 5, speed = 60 miles/hour • Bus: capacity
The "blocking factor" of a file is? Ans. The number of logical records in single physical record is called the "blocking factor" of a file.
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