What is the difference between dpi and ppi, Computer Engineering

Assignment Help:

Question :

(a) "Resolution refers to the sharpness and clarity of an image"

(i) Explain what you understand by the above statement.

(ii) What is the difference between DPI and PPI.

(iii) Explain why it is preferable to use 72ppi for web and 300dpi for high end printing.

(b) Flatbed scanners are commonly used for small businesses while drum scanners are sued mostly by production houses for high end results.

(i) What is the main difference between flatbed scanners and drum scanners.

(ii) Give three advantages and three disadvantages of each of the above mentioned scanners.

(c) Interlacing is a method of sending picture data over the internet. Explain what you understand by the term interlacing.


Related Discussions:- What is the difference between dpi and ppi

Targeting for new business, Assume you own your own small party supply and ...

Assume you own your own small party supply and rental business. You keep an Excel list of potential customers and clients who have rented or purchased from you in the past 2 years.

Labels in the sub trees, A sorting method which uses the binary tree concep...

A sorting method which uses the binary tree concept such that label of any node is larger than all  the labels in the sub trees, is called A Sorting method which uses the binar

Write the truth table to realize the function nand gate, For F = A.B.C +...

For F = A.B.C + B.C.D ‾ + A ‾.B.C, write  the  truth  table to realize the function using NAND gates only ? Ans. Logic Function given as F = ABC + BC‾D + A‾BC, simplification o

What are the three basic types of web documents, What are the three basic t...

What are the three basic types of web documents? There are three fundamental types of web documents: Static, Dynamic and Active. STATIC A static web document resides i

What are the properties of electronic cash, What are the properties of elec...

What are the properties of electronic cash? Properties: 1. Monetary Value: Monetary value should be backed by bank certified cashier’s cheque or cash, bank authorized cred

What is meant by "method-wars" in programming, Before 1994 there were dissi...

Before 1994 there were dissimilar methodologies like Rumbaugh, Booch, Jacobson, and Meyer etc who followed their own notations to mould the systems. The developers were in a di

What is the main problem with segmentation, What is the main problem with s...

What is the main problem with segmentation? Problem with segmentation (i) Is with paging, such mapping needs two memory references per logical address that slows down the

How a typical dma controller can be interfaced to an 8086, Demonstrate how ...

Demonstrate how a typical DMA controller can be interfaced to an 8086/8085 based maximum mode system.  For 8088 in maximum mode: The RQ/GT0 and RQ/GT1 pins are used to is

What is store program control, What is store program control (SPC)?  I...

What is store program control (SPC)?  In  stored  program  control  systems,  a  set  of  instructions  or  program  to  the computer  is  stored  in  its  memory  and  instru

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