Memory

Cache- Advantages1. Faster than main memory2. Consumes less access time than main memory3. Stores the program that can be executed within a short period of time4. Stores data for temporary use Disadvantages1. Limited capacity2. Very expensive   Primary Memory...

Lines & Angles

Parallel Lines: Lines which never meet at any point and maintain same distance between them. Transversal Line: A line which intersects 2 or more lines at distinct points. Different angles are formed at those points. Types of Angles: Acute Angle (angle value between 0°...

OS (Operating System)

It is a program on which application programs are executed It acts as an interface between the user & the computer Functions Security: OS uses password protection & other such techniques to protect user data Control over system performance: Monitors &...

Printers

Impact Printers: Dot Matrix Printer (DMP)- Advantages1. Inexpensive2. Widely Used3. Other language characters can be printed Disadvantages1. Slow Speed2. Poor Quality Daisy Wheel- Advantages1. More reliable than DMP2. Better quality3. Fonts of character can be easily...

Output Devices

Monitors: There are 2 kinds of screen used in monitor:1. Cathode Ray Tube (CRT):     Disadvantages:a. High power consumptionb. Large in size2. Flat Panel Display:      2 kinds:      1. Emissive Display:           Converts electrical energy into light. Example: LED...