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Showing posts with the label Class 10th

Overhead Projectors (defination, working, uses, advantages and disadvantages) | HPBOSE

Projectors are basically used for presenting our ideas among others. In starting Projectors are mainly used in educational fields. Today we use projectors in educational fields as well as in business fields. In this article, I will show the projectors used in past that is Overhead Projectors. This topic is also listed in HP board computer science syllabus. Let's start with his definition. What is Overhead projector? Overhead projectors or OHP's are the type of projector used for project images on large flat wall. It has a flat transparent top and a light source beneath transparent top and reflecting mirror and a fan to cool it. Above the box there is a long arm that has a mirror to catch and redirect the light towards the screen. Uses of Overhead Projectors  OHP is one of the most frequently used tool in education and training. Today, we use digital projectors in the place of OHP which is smaller in size as compared to OHP. Advantages of OHP 1. OHP's not much g...

E-mail | Class 10th Computer Science | NCERT | HPBOSE

Email is listed in the syllabus of class 10th of HPBOSE. Through this article, I will show you the basic but important concept related to this topic. So, let's get started.  What is E-mail? E-mail is the short form of Electronic mail. It allows us to send and receive email in any part of any world. Email uses various protocols.  Email is a text based mail consisting of lines of text and can include attachments such as audio messages, pictures and documents. For making a new email account we must have to define email address and password. Some of the major email service providing services are Google, Yahoo, Hotmail etc. Basic form of email address Email address consists of two sections: Username Hostname An email address  looks like Username@hostname  The username is written in left and hostname(like gmail.com, y...