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What is Digitizers
A common device for drawing, painting, or interactively selecting coordinate positions on an object is a digitizer. These devices can be used to input coordinating values in either a two-dimensional or a three-dimensional space. Typically, a digitizer is used to scan over a drawing or object and to input a set of discrete coordinate positions, which can be joined with straight-line segments to approximate the curve or surface shapes. One type of digitizers is the graphics tablet (also referred to as a data tablet) which is used to input two-dimensional coordinates by activating a hand cursor or stylus at selected positions on a flat surface. A hand cursor contains cross hairs for sighting positions, while a stylus is a pencil-shaped device that is pointed a positions on the tablet. Tablet size varies from 12 by 12 inches for desktop models to 44 by 60 inches or larger for floor models. Graphics table provide a highly accurate method for selecting coordinate positions, with an accuracy that varies from about 0.2 mm on desktop models to about 0.5 mm or less on longer models. Many graphics tablet are constructed with a rectangular grid of wires embedded in the tablet surface. Electromagnetic pulses are generated in sequence along the wires, and an electric signal is induced in a wire coil in an activated stylus or hand cursor to record a tablet position. Depending on the technology, either signal strength, coded pulses, or phase shifts can be used to determine the position on the tablet.
What is preemptive and nonpreemptive scheduling? Under nonpreemptive scheduling once the CPU has been allocated to a process, the process keeps the CPU unless it releases the C
Chaining: In this method, instead of hashing function value as location we use it as an index into an array of pointers. Every pointer access a chain that holds the element having
Q. Find the Physical address of instruction? Value of Instruction Pointer and holding address of instruction = 1234h Value of code segment register (CS) = 448Ah Physical
Differentiate between exception and validation testing. - Validation testing is done to test the software in conformance to the needs specified. It aims to demonstrate that the
show hosts is the command which display the IP host table
State the term- Interviewing This involves a one to one question & answer session between analyst and customer/employee. A good method if analyst wants to probe deeply into on
what is picket fence problem?
Bidirectional Search: We've concentrated so far on the searches where the point of view for the search is to find a solution, but not the path to the solution. Like any other
What are the Counters? 1. The Counter is a sequential circuit which consists of a set of flip flops connected in a appropriate manner to count the sequence of input pulses.
Data can be moved from one field to another using a 'Write:' Statement and stored in the desired format. Write: Date_1 to Date_2 format DD/MM/YY.
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