Explain the uses of thumbwheels, Computer Engineering

Assignment Help:

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.

 


Related Discussions:- Explain the uses of thumbwheels

Write a small program using floating-point operations, Question: a) Wri...

Question: a) Write a small program using floating-point operations in Reverse Polish Notation to evaluate the following: Volume of Sphere = (4/3)πr 3 Consider that the u

How the canvas class and the graphics class are linked, A Canvas object giv...

A Canvas object gives access to a Graphics object by its paint() method.

How can arithmetic processor be associated to the CPU, Q. How can this arit...

Q. How can this arithmetic processor be associated to the CPU?  Two mechanisms are used for connecting arithmetic processor to CPU.   If an arithmetic processor is treated a

Explain about the various uses of artificial intelligence, Discuss the use ...

Discuss the use of Artificial intelligence techniques in E-Commerce applications. Explain about the various uses of Artificial Intelligence in Medicine field. Justify it with pr

What is a microform, What is a microform? This is the collective term f...

What is a microform? This is the collective term for all micro images kepted on a wide range of microfilm media, like roll film, fiche, aperture cards, strip or jackets.

Define dynamic linking, Define dynamic linking.  Dynamic linking is sam...

Define dynamic linking.  Dynamic linking is same to dynamic loading, rather that loading being postponed unless execution time, linking is postponed. This feature is usually us

Show select tag and pull down lists, The next type of input is a Pull Down ...

The next type of input is a Pull Down List. With this type you have to employ in place of and it also has a closing tag. This control is used when we have a

What is a multitape tm, What is a multitape TM?  A  multi-tape  Turing ...

What is a multitape TM?  A  multi-tape  Turing  machine  having  of  a  finite  control  with  k-tape  heads  and k-tapes each tape is infinite in both directions. On a one mov

What is blocking probability, What is blocking probability? Blocking ...

What is blocking probability? Blocking Probability: The blocking probability P is described as the probability like all the servers in system are busy. If all the servers ar

Explain about hamming error correcting code, Q. Explain about Hamming error...

Q. Explain about Hamming error correcting code? Richard Hamming at Bell Laboratories worked out this code. We will only introduce this code with help of an illustration for 4 b

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd