Video

5 May 2017

The following video discusses internal storage. The optical store is the most obvious storage is the optical drive. An optical drive is 5 and h inches wide. The DVD writer is the most common optical drive. All drives have common features, a laser, a servile motor and a spindle. A disc drive functions by reading the various little bumps on the pits. The hard drive of the computer follows 3. 5 and 2. 5 in dimensions. Hard drives have very similar features but replacing pieces is difficult. Mechanical hard drives spin at 7200 rpm.

The following video is about displays and the most common type of computer onitor is the LCD model. Sizes range from 17 inches to 30 inches and it is composed of a liquid crystal matrix and a black light. Moreover, the most popular type of LCD panels is the TN or IPS panels. The viewing angle is the biggest difference between both. Also, a black light in the LCD screen is what provides the actual brightness.

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However, most screens are using LEDS as backup sources of light providing more powerful lights.

Finally, packing more pixels means that each pixel in the screen will be smaller. In this video it is possible to learn about input devices. The keyboard and mouse are the standard input devices. In addition, keyboards come in numerous shapes and sizes but certain features must be standardized such as the position of the letter. Also, infradiation requires a direct line of sight. Also, cordless devices use radio frequency (RF) and can reach of range to 30ft. Additionally, it is important to know that touch screen technology can be used as pointing devices.

Finally, the standard resolution for image quality of scanners starts at 300 dpi. The following video talks about the operating system. OS is a piece of software use to accomplish tasks on the computer. Currently, there are 3 popular forms of operating ystems for home which are windows by Microsoft, Mac OS by Apple and Linux for many software companies. Pursuing this further, it is crucial to risk of viruses can be minimized by installing proper anti-virus programs and for the user to be vigilant.

Moreover, the latest version of windows for desktop and mobile devices tries to unify the experience across platforms. Finally, the name of Apples other OS produced for operating ‘phones and tablets is IOS. The following video talks about computer sound and music. Sound in computers did not become prevalent until the early 1980’s. In addition, the Built-in speakers are sually the weakest point of the integrated sound processing hardware because of their small size and limited budget.

Additionally, for musicians capturing voice use microphones with professional standards and are normally equipped with an XLR type connector which is quite expensive. Finally, a professional sound hardware can store digital sound at 2 ts per sample. Finally, the various sizes tor midi keyboards are 25, 3249, 61 and 88 keys. The following video talks about personal computing platforms. To begin with, there are 4 personal computing platforms which are available today (desktops, laptops, tablets and Smartphone’s). A major milestone in personal computing happened with the introduction of Apple II, in 1977.

Since then, computer companies have been able to provide consumers with computing platforms of various sizes, speeds and confgurations. Also, a simple change or an upgrade of parts can turn a typical gaming machine into a semi-professional 3D modelling system. Moreover, it is beneficial to know that a laptop is typically composed of a folding screen ranging from 11. 5 to 18 inches. A laptop integrates all of the features in the desktop in a lighter package. Lastly, the OS is the interface between the system and the user.

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