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Explain the uses of thumbwheels
Two thumbwheels are usually required to control the screen cursor in its horizontal and vertical position respectively.
As the name implies, a trackball is a ball that can be rotated with the fingers or palm of the hand to produce screen-cursor movement. Potentiometers, attached to the ball, are used to measure the direction and amount of rotation. Trackballs are often mounted on keyboards or other devices such as the Z mouse as explained earlier.
At the bottom of the toolbar there is a box with two lesser boxes and an arrow. The uppermost box displays the present foreground color; the lowermost box shows the present backgro
Q. General use of cluster computing? A general use of cluster computing is to balance traffic load on high-traffic web sites. In web operation a web page request is transmitted
Cheques vs Credit Cards E-cheques: E-cheques are used for business dealing in e-commerce. Transactions of these cheques take place on Internet. In this system the elect
What are the two types of branch prediction techniques available? The two types of branch prediction methods are 1) Static branch prediction 2) Dynamic branch predicti
In the view of the M364 module team, HCI has been superseded by ID. This is because HCI traditionally concentrated upon desktop computers with single users, whereas ID includes the
Specifying Constraint Problems: However as with most successful "AI" techniques there constraint solving is all about solving problems as: somehow phrase the intelligent task
The I/O interface provides a technique for transferring information between external I/O devices and internal storage. Peripherals linked to a computer require special communicatio
Disadvantages of file processing system
What are the different ways in which a thread can be cancelled? Cancellation of a target thread may occur in two different scenarios: Asynchronous cancellation: One thre
What is critical section problem? A race condition at data item occurs when many processes simultaneously update its value data consistency, needs that only one process should
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