by admin | Jan 22, 2024 | Computer Basics
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...
by admin | Jan 22, 2024 | Computer Basics
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...
by admin | Jan 22, 2024 | Computer Basics
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...
by admin | Jan 22, 2024 | Computer Basics
Keyboard Mouse Joy Stick Light pen: It is used to select a displayed menu item or draw pictures on monitor. Track Ball: It is used in laptop or notebook in place of a mouse. Scanner Digitizer: It is also known as tablet or graphics tablet, which can convert graphics...
by admin | Jan 22, 2024 | Computer Basics
RAM ROM It is a read-write memory It is a read only memory It is a volatile memory It is a non-volatile memory Random Access Memory Read Only Memory Data can be modified Data cannot be modified Size is larger than ROM Size is smaller than RAM RAM is costlier ROM is...
by admin | Jan 21, 2024 | Computer Basics
Input Unit It contains devices, which help us to enter data into the computer. CPU Central Processing Unit. It is the brain of the computer, which performs all kinds of processing operations. It consists of: Arithmetic & Logic Unit (ALU): It consists of arithmetic...