Get the notes of Computer and IT Application subject.
Difference between GUI & CUI, RAM & ROM, cache memory & buffer BBA | BBA-TT | BHCM Interface (CUI VS. GUI) It is a platform where the user can communicate with the computer. Based on the user interface (CUI & GUI) operating system can be categorized into two parts: Character user interface/ command user interface … Read more
What is Network Topology? Network topology refers to the way in which the nodes of a network are linked together. It determines the data paths used between any pair of nodes in the network. Some types of network topologies are as follows: Star Topology In the star topology, each device is connected point-to-point only to … Read more
What is Computer Network? The interconnection of two or more computers to share resources or two computers is said to be interconnected if they are capable of exchanging information. In other words, the network which connects two or more computers in a network this type of network is called a computer network or computer networking. … Read more
What is an Output Device? The output device receives information from the computer and provides them to the users. The computer sends information to the output devices in the binary-coded form. The output devices convert them into a form such as printed form or display on a screen, which can be used by the users. … Read more
Generations of Computer The computer is developed from the very beginning and it has been characterized or identified in five generations. These five generations of computer features are as below. First Generation (1945-1954 AD) This is the first generation of computers. Some features of this first generation of computers: Second Generations of Computer (1955-1964 AD) … Read more
The System Concept of Computer A system or computer system is a combination of three elements. These three elements are hardware, firmware, and software. The software may also be classified as system one system software and other application software. Where system software includes an operating system, translator, communication software, and utility software. Similarly, application software … Read more
Types of computer As we know computers are electronic devices. They are helpful in our life. According to the types of computer they divided as: A. On the basis of size As its name suggests types of computer classified on the basis of their various size. Also, the basis of their sizes of computer’s working capacity … Read more
A Computer System is a Combination of Central Processing Unit (CPU) and Memory A computer system can process data, pictures, sound, and graphics. They can solve highly complicated problems quickly and accurately. It is because every computer has a central processing unit and storage unit. Where information at first entered in the input unit (IU), … Read more
Introduction to a personal computer (PC) Basic concept: To give an exact or universal definition of the computer is not a simple matter because of its broad scope. However, we almost get various definitions of the personal computer. Hence, maybe we defined it in our way. What is a personal computer (computer)? A computer is an … Read more