Describe the size and speed of scanners, Computer Engineering

Assignment Help:

Q. Describe the Size and Speed of Scanners?

Before actual scanning, a quick, low resolution scan known as pre-scan is made to preview the image and select scanning area. After this only does actual scan take place. Early colour scanners used to take 3 passes for a scan - one pass for every colour.  Now Scanners use only one pass and use photodetectors to detect colours.  Then, they operate as fast as monochrome Scanners.  Though other issues are also included. 

High resolution scans of large images outcomes in large file sizes. These can slow down processing because they require Hard Disk I/O for virtual memory.  Hence forward for large scans it is essential to have higher RAM in your PC.


Related Discussions:- Describe the size and speed of scanners

Explain the categories of design patterns, Question: (a) Explain the th...

Question: (a) Explain the three categories of design patterns. Give two examples from each category. (b) When describing a pattern what is the purpose of "The Intent", an

Array of discount rates, Why do you think you are asked to do valuation giv...

Why do you think you are asked to do valuation given an array of discount rates? a.    Would it not be extra accurate to utilize, for intsnces , CAPM to calculate cost of equity

The advantages of specifying parameters during instantiation, The advantage...

The advantages of specifying parameters during instantiation method are: -  All values to all the parameters do not need to be specified. Only those parameters that are assigne

Target_parent, TARGET = "_parent" "_parent" is used in a situation whe...

TARGET = "_parent" "_parent" is used in a situation where a frameset file is nested inside another frameset file. A link in one of the inner frameset documents that uses "_par

Illustrate the execute cycle, Q. Illustrate the Execute Cycle? The fetc...

Q. Illustrate the Execute Cycle? The fetch and indirect cycles include a small, fixed sequence of micro-operations. Every one of these cycles has fixed sequence of micro-operat

Sosail studies, whitch goods did the new england colonies exportto england ...

whitch goods did the new england colonies exportto england and what did they get in return

Returns and procedures definitions in 8086, Q. Returns and Procedures defin...

Q. Returns and Procedures definitions in 8086? 8086 microprocessor supports RET and CALL instructions for procedure call. CALL instruction not only branches to indicate address

Modular programming, Modular programming denotes to the practice of writing...

Modular programming denotes to the practice of writing a program as a sequence of independently assembled source files. Every source file is a modular program intended to be assemb

Explain difference between scanning and parsing, Explain difference between...

Explain difference between Scanning and parsing. Scanning and parsing: Scanning process is the process of recognizing the lexical components in a source string whereas parsin

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