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

Queue depth should be greater than zero, Tell me which queue having present...

Tell me which queue having present queue depth should be greater than zero? Ans) Event queues Open MQ Explorer by selecting Start > Programs > IBM WebSphere MQ > WebSphere

Why a computer expect to receive responses, Why a computer expect to receiv...

Why a computer expect to receive responses when it broadcast an ARP request? Response will be acquired only from the machine for that request is being sent not for the other ma

Build a program to maintain his personal account, Aim: Build a program or a...

Aim: Build a program or application which gives an interface to the user to maintain his personal account for E-mails & should be able to work on the following applications. Des

Explain virtual address, What is virtual address? The binary address th...

What is virtual address? The binary address that the processor used for either instruction or data known as virtual address.

Corresponding port numbers, A) Around how many entries are there in this fi...

A) Around how many entries are there in this file on your VM? B) Select and list names and corresponding port numbers for four well-liked services listed in this file?

Explain transformational analogy, Question 1 Why is it important that a...

Question 1 Why is it important that an expert system be able to explain why and how questions related to a problem solving session. 2 Give the architecture of an Expert syst

Explain keyboard input and video output, Q. Explain Keyboard Input and Vide...

Q. Explain Keyboard Input and Video output ? A Keystroke read from keyboard is termed as a console input and a character displayed on the video screen is known as a console out

Which one is better hardware or software firewall, Which one is better hard...

Which one is better hardware or software firewall While deciding whether to buy a hardware or software firewall, the user must consider important factors such as performance an

Subtraction of 01000-01001 using 2's complement method, Subtraction of 0100...

Subtraction of 01000-01001 using 2's complement method. Ans. Firstly 1's complement of 01001 is 10110 and 2's complement is 10110+ 1 =10111. Thus   01000 =  01000 - 01001

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