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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.
Translating from English to First-Order Logic: Still we have now seen some of examples of first order sentences, than you should practice writing down English sentences in fir
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
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
What is DMA operations? State its advantages. In order to transfer bulk amount of data among memory and I/O device without involvement of CPU, the Direct Memory Access metho
Basics of Caches: "The caches are situated on basis of blocks, the shortest amount of data which may be copied between 2 adjacent levels at a time. "If requested data by th
Q. What is Message Passing Libraries? In this part we will consider about message passing libraries. Traditionally a range of message passing libraries have been available ever
Write a function that will prompt the user individually for a filename and extension and will make and return a string with the form 'filename.ext'.
How many ways can an argument be passed to a subroutine in programming? Ans) An argument can be passed in two way in a programming language. They are Pass by Value and Passi
Differentiate between protection and security. Operating system contains a collection of objects, software or hardware. All objects have a unique name and can be accessed by
John Lindsay sells disks that have 25 software packages that show a variety of financial functions, including net present value, internal rate of return, and other financial progra
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