Informing America, One Click at a Time
In programming, a loop is an instruction that repeats until a specified condition is reached. In a loop structure, the loop asks a question, if the answer requires action, it is executed. The same question is asked again and again until no further action is required. Each time the question is asked it is referred … Read more
What Is Cookie? A HTTP cookie also referred to as internet cookie, browser cookie, web cookie or simply cookie, is a small piece of data sent from a website and stored on the user’s computer by the user’s browser while the user is browsing. While cookies serve many functions such as storage of password, preferences, … Read more
Optic Disk (Optical Storage Device) Optical storage is the storage of data on an optically readable medium. Data is recorded by making marks in a pattern that can be read back with the aid of light, often a beam of light focused on a spinning optical disk. Therefore, an optic disk is any computer disk … Read more
What Is Elastic Collision? Elastic collision is a type of collision in which the total kinetic energy is conserved. What this means is that, the total kinetic energy of the colliding bodies after collision is equal to their kinetic energy before collision. In a perfectly elastic collision, there is no net conversion of kinetic energy … Read more
What Is Semaphore? Semaphore is a variable or abstract data type used to control access to a common resource by multiple processes in a concurrent system such as multitasking operating system. Semaphore concept was invented by Dutch computer scientist, Edsger Dijkstra in 1962. Semaphore is typically a variable used to solve critical section problems and … Read more
What Is BOOTP? BOOTP stands for Bootstrap Protocol. BOOTP was originally defined as specification RFC 951 and was configured to replace the Reverse Address Resolution Protocol (RARP), also referred to as RFC 903. BOOTP can be defined as a networking protocol used by a client for obtaining an IP address from a server. When … Read more
Client-Server Network A client server network is a specific type of online network comprised of a single central computer acting as a server that directs multiple other computers, which are referred to as the clients. By accessing the server, clients are then able to reach shared files and information saved on the serving computer. Examples … Read more
Uniform Memory Access (UMA) Uniform memory access (UMA) is a shared memory architecture used in parallel computers. All the processors in the UMA model share the physical memory uniformly. In UMA architecture, access time to a memory location is independent of which processor makes the request or which memory chip contains the transferred data. There … Read more
Twisted pair cable, fiber optic cable and coaxial cable are three major types of network cables used in modern communication systems. These cables mainly differ from one another in terms of latency, speed of data transfer and overall security. What Is Twisted Pair Cable? Twisted pair cable is a type of cable in which two … Read more
A real-time operating system is an operating system intended to serve real-time applications that process data as it comes in, typically without delay. Real-time system can be classified into two: Hard Real Time Systems Soft Real Time Systems Hard Real Time System (Immediate Real-Time System) A hard real-time system also referred to as immediate real-time … Read more