Introduction The evolution of operating systems (OS) can be traced back to the early days of computing when the first computers were designed for specific purposes and were operated by engineers and technicians. The evolution of operating systems (OS) can be traced back to the 1950s when the first mainframe Read more…
Standard/Communication Standard A standard is a set of specifications(guidelines) for hardware or software used in the making of products, agreed upon by a national or international authority or recognised body or by general consent or academic body or industry group etc. A standard is accepted or followed by most of the Read more…
Type of Internet Connection/Access Method Click this link for ISP details There are several ways of connecting to access the Internet. These connections vary in techniques, speed, way of connections, use purpose, etc. These are – (A) Dial Up Connection Dial-up is rare now and hence less used. It was Read more…
Introduction of Magnetic Disk Magnetic disk consists of Magnetic Oxide materials. A modern computer uses two types of magnetic memory or disks: – Magnetic Disks: Magnetic disks are the most common form of non-volatile secondary storage because they provide fast access and high storage capacities at a reasonable cost. Examples Read more…
Introduction of Optical Memory Despite the rise of alternative modern and advanced storage technologies such as cloud storage and solid-state drives, optical memory continues to be used in specific industries and applications where its unique characteristics are advantageous. Definition of Optical Memory Optical memory has been widely used for archival, Read more…
Introduction of Cache Memory Cache memory is popularly called High-Speed Memory. Definition Cache memory is a small, temporary, high-speed memory that stores the most recently used instructions or data from main memory for processing and is placed between the CPU (Central Processing Unit) and the main memory (RAM) in a Read more…
Introduction Main memory, is often referred to simply as “memory” or “RAM” (Random Access Memory) because data can be accessed in any order, regardless of its physical location in memory. This allows the CPU to quickly retrieve and manipulate data without the need to sequentially read through the entire memory. It Read more…
History of Firewall The term firewall was applied in the late 1980s to computer network technology fields. Firewalls play a vital role in network security by acting as a first line of defense, preventing unauthorized access, and protecting against various cyber threats. Introduction of Firewall The firewall is the first Read more…
The primary function of an OS is to act as an intermediary between the computer hardware and the applications software. The function of an OS is to provide a stable, efficient, and secure environment for running computer applications and managing computer resources. The OS allocates system resources such as CPU Read more…
Introduction All entities in a data communications network must be uniquely identified to allow data to be directed to the intended recipient. This process is known as “addressing” and the identifier allocated to a node is known as its address. Each node/device is usually allocated at least one address. Definition Read more…