A twisted nematic display is a type of liquid crystal display (LCD) that uses the Twisted Nematic Effect to produce images. This effect was first discovered in 1874 by French scientists Paul and Pierre Jacques Curie. TN displays are the most common type of LCDs, and are used in a wide variety of electronic devices … Read more
A digital projector is a projection display system that uses digital light processing (DLP) technology to project images. Digital projectors are used in a variety of settings, including business presentations, school classrooms, and home theaters. Digital projectors create an image by shining a light onto a digital micromirror device (DMD). The DMD is a chip … Read more
A motherboard is a printed circuit board (PCB) that contains the components of a computer system, including the central processing unit (CPU), memory, input/output (I/O) ports, and storage interfaces. It is the main circuit board of a computer and is also known as the mainboard, system board, or logic board. What is called motherboard? A … Read more
Standby power is the power consumed by electronic devices when they are turned off or in standby mode. Standby power can represent up to 10% of a household’s total energy consumption. Many devices, such as televisions, DVD players, and computers, continue to draw power when they are turned off. This power is used to power … Read more
A motion plan is a set of instructions that tells a machine how to move in order to achieve a specific goal. The motion plan is created by taking into account the machine’s capabilities and limitations, the environment in which it will be operating, and the desired outcome of the motion. What is the difference … Read more
Cache coherence is a hardware phenomenon that occurs when two or more processors share a common memory. When one processor writes to a memory location, the other processors see the change. This phenomenon is called coherence. Why cache coherence is required? Cache coherence is required because it ensures that all copies of a given piece … Read more
A rack server, also known as a rack-mounted server, is a type of computer server that is designed to be mounted in a 19-inch or 23-inch rack. Rack servers are often used in data centers, as they allow for a high density of servers to be installed in a small amount of space. Rack servers … Read more
The TrackPoint is a pointing stick that is used as an alternative to a mouse on some laptop computers. It is a small nub that protrudes from the keyboard and can be used to move the cursor around the screen. The TrackPoint is often used in conjunction with the touchpad, which is also used for … Read more
A quad-core processor is a type of central processing unit (CPU) that has four independent cores on a single chip. A quad-core processor offers better multitasking and multitasking capabilities than a dual-core processor. Quad-core processors are also more power efficient than their dual-core counterparts. Is a quad-core processor good? Yes, a quad-core processor is good. … Read more
The Computer Misuse Act 1990 (CMA) is a UK law that makes it a criminal offence to carry out certain actions with a computer. These actions are known as “unauthorised acts” and include accessing or modifying computer data without permission, or causing damage to a computer system. The CMA is designed to protect computer systems … Read more
