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

What is input - output interface, The I/O interface provides a technique fo...

The I/O interface provides a technique for transferring information between external I/O devices and internal storage. Peripherals linked to a computer require special communicatio

Sequence of micro -operations to perform a specific function, Q. Sequence o...

Q. Sequence of micro -operations to perform a specific function? A digital system executes a sequence of micro-operations on data stored in registers or memory. Specific sequen

What are the various layers of a file system, What are the various layers o...

What are the various layers of a file system? The file system is composed of lots of dissimilar levels. Each level in the design uses the characteristic of the lower levels to

What is called dhcp, DHCP stands for? DHCP that is stands for Dynamic H...

DHCP stands for? DHCP that is stands for Dynamic Host Configuration Protocol.

Explain function of dual slope analogue to digital converter, Draw and expl...

Draw and explain the function of dual slope analogue to digital converter. Derive the equations used. Ans.               Dual slope A/D converter : This has 4 main blocks.

Convert the octal number 7401 to binary, Convert the octal number 7401 to B...

Convert the octal number 7401 to Binary. Ans. Octal number 7401 to Binary conversion: Every octal digit represents 3 binary digits. To change an octal number to binary number,

What is gimp?, The GNU Image Manipulation Program, or GIMP, is a raster gra...

The GNU Image Manipulation Program, or GIMP, is a raster graphics editor application with some support for vector graphics. GIMP is used to process digital graphics & photographs.

Multi tasking environment, Q. Explain about Multi tasking environment? ...

Q. Explain about Multi tasking environment? Multi tasking uses parallelism by: 1) Pipelining functional units are pipe line mutually 2) Simultaneously employing multiple

Explain about different types of mice, Q. Explain about different types of ...

Q. Explain about different types of Mice? Mice can be classified on the foundation of numbers of buttons, position sensing technology or type of Interface:  Sensing Technol

Explain about multiple program multiple data, Q. Explain about Multiple Pro...

Q. Explain about Multiple Program Multiple Data? Like SPMD, MPMD is in fact a 'high level' programming model that can be built on any combination of previously described parall

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