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Touchscreens

A touchscreen is an intuitive computer input device that works by simply touching the display screen, either by a finger, or with a stylus, rather than typing on a keyboard or pointing with a mouse. Computers with touchscreens have a smaller footprint, and can be mounted in smaller spaces; they have … [Read more...]

Filed Under: Input Devices

Input Device Interfaces

Like the original IBM PC, 1984's IBM PC AT keyboard used a full-size 5-pin DIN connector. IBM's second-generation PS/2 PCs, first released in 1987, introduced a new specification for the keyboard and mouse interfaces, which … [Read more...]

Filed Under: Input Devices

Joysticks

A joystick is a PC peripheral or general control device consisting of a handheld stick that pivots about one end and transmits its angle in two or three dimensions to a computer. Most joysticks are two-dimensional, having two axes of … [Read more...]

Filed Under: Input Devices

Trackballs

A trackball is a pointing device consisting of a ball housed in a socket containing sensors to detect rotation of the ball about two axes - like a mouse lying on its back. The cursor is moved about the screen by a user rolling the ball with … [Read more...]

Filed Under: Input Devices

Laser Mice

In 2004, Logitech, with the help of technology innovator partner Agilent Technologies, took the first step beyond LED illumination with the unveiling of a true, next-generation engineering breakthrough - laser illumination and tracking. The … [Read more...]

Filed Under: Input Devices

Cordless Input Devices

Following on from the introduction of the optical mouse, the logical progression was to combine the precision of optical technology with the freedom of movement afforded by a wireless device. It wasn't long before this dream was realised, with the introduction specialist peripheral manufacturer … [Read more...]

Filed Under: Input Devices

Optical Mice

Early optical mice used an infrared LED to detect the movement the mouse pad, rather relying on the traction between the mouse ball and the rollers. While this type of mouse was more accurate than an optical mechanical mouse, and avoided the … [Read more...]

Filed Under: Input Devices

Opto-Mechanical mice

The mouse was invented by Douglas Engelbart of Stanford Research Institute in 1963. The first devices were bulky and used two gear wheels perpendicular to each other: the rotation of each wheel was translated into motion along one axis in … [Read more...]

Filed Under: Input Devices

Ergonomic Keyboards

Carpal tunnel syndrome (CTS) is a medical condition - more common in women than it is in men - in which the median nerve is compressed at the wrist causing symptoms like tingling, numbness, night time wakening, pain, coldness, and sometimes … [Read more...]

Filed Under: Input Devices

Keyboards

A computer keyboard is a peripheral modelled on the typewriter keyboard. Keyboards are designed for the input of text and characters, and also to control the operation of the computer. Physically, computer keyboards are an arrangement of … [Read more...]

Filed Under: Input Devices

A Harsh Reality You Can’t Ignore About Network Information Security

We are becoming more and more connected to our lives with computer technology. They help to process data at work. We receive money using plastic … [Read More...]

What is the Best VPN for Gamers?

Of the 44% of UK Internet users who have used a virtual private network (VPN) at some point in their lives, approximately 39% of this demographic are … [Read More...]

Think About Headless Commerce as of a Modular System

In recent years, eCommerce has transformed to where consumers no longer handle purchases on conventional websites. Shopping is currently carried out … [Read More...]

Service That Succeeds: How To Build an Effective IT Service Desk

In today’s tech-forward world, building a capable IT service team is essential for businesses hoping to scale tech-related hurdles and soar past the … [Read More...]

A simple PC guide on keeping safe while using public Wi-Fi

Did you know that there is a cyberattack every 39 seconds? You are more likely to be a victim if you are lax about your digital security. This … [Read More...]

Motivating Students to Learn Computer Science

Computer science has been an important part of the educational curriculum for decades. Professor Seymour Papert, a mathematician from South Africa … [Read More...]

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Voice over IP, or VoIP, is becoming more popular as companies are leveraging its ability to reduce costs and ease of deployment. The technology allows … [Read More...]

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The PC Technology Guide’s Contributing Authors

A number of authors have contributed to the PCTechGuide. If you have the skill and knowledge and would like to be considered as an author for the PC … [Read More...]

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