Explain the term- tracker ball and braille printers, Computer Engineering

Assignment Help:

Explain the term- Tracker ball and Braille printers

Tracker ball

Easier to use than a mouse if people have problems using their arms and hands or if they have a coordination problem

Braille printers

Dot matrix printers can be modified to produce raised dots (i.e. Braille) - this helps blind and partially-sighted people to read the output


Related Discussions:- Explain the term- tracker ball and braille printers

Explain session layer of osi model, Explain Session Layer of OSI Model. ...

Explain Session Layer of OSI Model. The session layer manages, establishes and terminates communication sessions. Communication sessions contain service of requests and serv

Determine the level of state decomposition, Determine the level of state de...

Determine the level of state decomposition The level of state decomposition must be determined by judgement. A too fine grained model is unsuitable, such as, modelling all poss

How can system improved when free lines are available, How can system impro...

How can system improved if one arrive at the probability of availability of free lines during the busy hour? Improvement can be made when the system is act as a loss system in

Explain the disadvantages of random scan display, Disadvantages of random s...

Disadvantages of random scan display - Just by wire-frame, it is almost impossible to create images with shaded objects or areas filled with a given colour. - In case

What will be its digital output of an 8-bit ADC, An 8-bit successive approx...

An 8-bit successive approximation ADC has a resolution of 20mV.  What will be its digital output for an analog input of 2.17V? Ans: Given data Resolution =20mv Analog input =2.

Difference between viewstate and sessionstate, What Is The Difference Betwe...

What Is The Difference Between ViewState and SessionState? View State persist the values of controls of certain page in the client (browser) when post back operation done. When

Explain tri-state logic inverter, Explain Tri-state logic inverter with the...

Explain Tri-state logic inverter with the help of a circuit diagram. Give its Truth Table. Ans: Tri-state Logic Inverter: The functional diagram of Tri-state Logic Inve

How do you recognize the performance bottlenecks, Performance Bottlenecks c...

Performance Bottlenecks can be identified by using monitors. These monitors might be application server monitors, database server monitors, web server monitors and network monitors

What is the meaning of proper programming, What is the meaning of Proper pr...

What is the meaning of Proper programming Proper programming of the ports of the company's Web server through detection of IP addresses could be an excellent strategy or solut

What is processor time of a program, What is processor time of a program? ...

What is processor time of a program? The periods during which the processor is active is known as processor time of a program it depends on the hardware included in the executi

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