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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.
different types of buses with diagram
Q. What is Video Card Interfaces? A video interface is the link of video system to rest of the PC. To improve video performance there is required to be an intimate connection betw
Array is a pointer-to-pointer-to-int: at the first level, it points to a block of pointers, one for each row. That first-level pointer is the first one we allocate; it has nrows e
Side tone is the speech heard by (A) the receiving subscriber (B) both the receiving and calling subscriber (C) by on looker (D) by calling subscriber Ans
Q. Define Wilkes Control Unit? Prof. M. V. Wilkes of the Cambridge University Mathematical Laboratory invented the term microprogramming in 1951. He offered a systematic altern
Qualifications of security professionals For the security professionals, it is essential that they have adequate freedom to check the security measures and enforce them and
Explain division and its restoring and non-restoring techniques?
Discuss two main approaches to reuse free memory area in a heap. Two major approaches to reuse free memory area in a heap are: First-fit: Allocate the first hole which i
Q. What do you mean by Processor Arrangements? It is a very common event in data parallel programming to combine many processors to execute specific tasks. To achieve this obje
Give a simple example of dynamic modelling using these notation A simple example using these notation is shown below in Figure:
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