Posts

Showing posts with the label basics of computer

Introduction to Java, classes and objects

Image
What is flow chart? ➡     A flowchart is a type of diagram that represents a workflow or process. Also It can be defined as a diagrammatic representation of  any process. Advantages of C language ➡ Speed of compilation is comparatively high ➡ Powerful and efficient language Problems with C programming ➡ It is a structured Programming Language ➡ C is middle level language ➡ Does not offers the concept of Object oriented programming ➡ We have to write too long code for simple programs ➡ It is complex to understand. ➡ It is also complex to code. Introduction to Java It is a programming language created by James Gosling from Sun Microsystems(SUN). It is object oriented programming language. Creator of java :- James Gosling Where Java can be used? ➡ Mobile applications ( mainly android apps) ➡ Desktop applications ➡ Web servers and application servers ➡ Web applications and much more.... Advantages of using Ja...

Basics of computer

Image
Basics of computer and memory What is machine level language? ➡     It is a low-level language comprised of binary digits(ones and  Zeros). what is High level language? ➡     Language designed to simplify computer programming. eg, C, C++. Basic computer architecture Founder of computer? Charles Babbage (1791-1871). First computer in the world ENIAC (Electronic Numerical Integrator and Computer) was the first electronic programmable computer built in U.S. ➡      Size of data variables depends on the type of compiler. Types of memory what is primary memory? ➡      volatile memory. vanishes up when the system is closed or when it is shut down. stores data temporarily. Secondary memory? ➡     Non volatile. eg, hard disk, SSD. stores data permanently. Cache memory?     It is extremely fast memory type. ...

YouTube