Block diagram of computer, Basic Computer Science

Assignment Help:

 

Input unit: These are used to read data and transfer to primary memory contained in CPU through keyboard or floppy disk or mouse etc.
Central Processing Unit (CPU): This consists of three divisions. They are:

1) Primary memory unit: This memory unit allows computer to store the data orinstruction read by input devices or data obtained by calculations in the program.

2) Control unit: This controls unit directs the operations of all units. This unit decodes and executes the instructions given in the program.

3) Arithmetic logic unit: This performs basic arithmetic operations like adding, subtracting, multiplicating, dividing and uses trigonometrical functions. It can also perform logical operations like comparing two variables, justifying the conditions. It can take many logical decisions.
Secondary memory or storage unit: These are external storage units and store data or program permanently on magnetic disk and magnetic tape.

 

1819_block diagram of computer.png

Output unit: Output unit is used to take data from primary memory and writes it on output devices like video display unit or printer etc. All these physical units and various other equipments in which the computer is made of is called ‘hardware'. The sequence of instructions given to a computer to solve any problem is called ‘software'.

 


Related Discussions:- Block diagram of computer

Info Systems Management, Assignment 1: Project Management and Information ...

Assignment 1: Project Management and Information Security 2-3 page paper in which you: 1. Explicate in detail the importance of project management as it relate to an informatio

Microsoft office, Finding someone who doesn''t use some aspect of Microsoft...

Finding someone who doesn''t use some aspect of Microsoft Office on a daily basis is difficult. Whether it is Outlook for email,Word for creating and editing documents,or Excel f

Completeness in search - artificial intelligence, Completeness in search - ...

Completeness in search - artificial intelligence: It's also importance trying to calculate the number of solutions to a problem, and the density of those solutions amongst the

Excel, how to use excel..

how to use excel..

Write a note on modems, Question 1 Write a note on modems Question ...

Question 1 Write a note on modems Question 2 What are the Safe Chatting Rules Question 3 Explain three basic kinds of hypertext links Question 4 Write a no

Explain actual process of ftp applications, Question 1 How do you inse...

Question 1 How do you insert Image source code in HTML Question 2 Explain actual process of FTP applications Question 3 Write a short note on TIFF BMP

Cryptography, Assume |s1|=|s2|=n and consider the functions defined, for an...

Assume |s1|=|s2|=n and consider the functions defined, for any s1 and s2, as: (a) G1(s1,s2)=s1 xor s2, (b) G2(s1,s2)=(s1, s2, s1 xor s2). We have that: A. G1 and G2 are pseudo-ra

Data Mining Assignment (by Weka), Hi there, I''m just asking that do you d...

Hi there, I''m just asking that do you do data mining assignment?

Java, function of void

function of void

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