Binary System and ALU Logic Operation

Binary System and ALU Logic Operation Analog Value Analog quantity has continuous values.Most of the things in nature appear in analog form. Temperature never goes from 30 to 31 instantly.It takes infinite steps. If we draw a graphical representation, it…
Introduction to Computing

Computer. Computer is an electronic device that perform computing Operates under the control of instructions (Software) Accept data as input. Manipulate data as per instructions. Generates information Computer Characteristics Fast Computer can process data with amazing speed Reliable Computer has…
Network Components

Network Components Data It is the information stored and processed by a computer. Node Every device on a network which has a unique logical address or IP. Client A client is a node which takes services from another node. Server…
Computer Ports

Computer ports or Motherboard I/O interfaces are used to connect external devices to the computer. These interfaces are mostly located on the back side of the motherboard. Number of Interfaces depends on the size of Motherboard and technology used. Computer Ports…
Random Access Memory RAM

Random Access Memory (RAM) It is a type of memory and store data. A processor can access its individual memory cell in any sequence. It is: Volatile memory. Temporary memory. Primary memory. We have already discussed volatile, temporary memory and primary…
OSI Reference Model

OSI Reference Model In the beginning, when networks established, devices can communicate with devices of the same manufacturer.OSI (open system interconnection) reference model was first introduced by ISO (international organization for standardization).Its main purpose is to facilitate communication between two systems…
How to check a computer.

How to Check a Computer? How to check a computer? It is a basic question when purchasing a computer.In our daily life, a computer is an important and very useful machine. We are using it to perform several functions in our…