Tablets are smaller than laptop PCs, very lightweight, and extremely easy to carry, but they lack the processing power of a laptop as well as a keyboard input. They rely, instead, on a stylus and touch screen. For those who are hardcore gamers, giving business presentations, or conducting heavy research a tablet doesn't offer the speed and efficiency that is needed to complete these tasks. However, if a person is more of a casual internet surfer or "lightweight" game player then a tablet can handle what computing is needed to do this. They can browse the web relatively easy and stream movies or Youtube videos too. It should also be noted that tablets have become handy for other lightweight tasks involved with simple music/DJ production like FX and mixing as well as live sequencing. Some artists and designers are now using their tablets for preliminary sketches that they transfer into design software and programs on a full powered laptop later on as well.[14]
Video data is also similar to graphic and audio data, but instead of using pixels or samples, video data is recorded with the use of frames. Frames are still images that are taken numerous times per second and that when played simultaneously, create a video (most films are recorded using twenty-four frames per second).[7] Similar to audio data, because video data contains so much information, the files can be compressed, making it possible for full length movies containing thousands of frames to be stored on optical discs.
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"The motherboard can be thought of as the "back bone" of the computer." This quote is from the article Motherboard. Inside the system unit contains the motherboard. The motherboard is the "glue" of the computer. It connects the CPU, memory, hard drive, optical drives, video card, and sound card together. The front of the motherboard are peripheral card slots. The slots contain different types of cards which are connected to the motherboard. The left side of the motherboard contain ports. The ports connect to the monitor, printer, keyboard, mouse, speakers, phone line, and network cables.[8]
Like many of the components of computers, motherboards have not always been as advanced as they are today. Motherboards on early PCs did not have many integrated parts located directly on the board. Instead, most of the devices, such as display adapters and hard disk controllers, were connected through expansion slots. As technology advanced, more and more devices were built in directly to the board itself. At first, this began to create problems as manufacturers began to find that if one of the devices on the motherboard was faulty or in some way damaged, that the entire motherboard must be replaced. This led manufactures to change the design in a way that allowed them to remove faulty parts easily and replace them, especially parts that are growing and changing so quickly, such as the RAM or CPU. Today, a motherboard comes equipped with many parts working in conjunction with each other. One can find anything, from back up batteries, keyboard and mouse connectors, to cache memory chips, in close proximity to the CPU. The computer is able to do tasks faster as its components continue to be closer to one another. The advancement of technology has allowed for these parts to become smaller and more powerful, allowing more surface area on the motherboard to fit more devices. It is common today to find even audio and video components built into it as well. With technology moving as fast as it is, one may wonder what a motherboard will be capable of containing in the near future.[9]
Printers today can be divided into two main categories: impact printers and nonimpact printers. Impact printers (known as dot matrix printers) are the traditional printers that actually strike the paper with ink. Their primary uses are for the production of business forms like packing slips and receipts. On the other side are nonimpact printers. These printers do not touch the paper like impact printers, and there are two common types: laser and inkjet. Laser printers use ink powder or toner and inkjet printers use liquid ink, which both create the images with dots (similar to pixels on a monitor). These dots make up the print resolution, which is known as the dpi (dots per inch). The higher the resolution the sharper the image. General ranges for a dot matrix printer are 60-90 dpi, an inkjet 300-720 dpi, and a laser printer 600-2400 dpi.[44] With that, color printers and black-and-white printers are two standards found in either the home or office setting. Typically for home-use color printers are more common than offices, which will use black-and-white printers due to costs (unless the company needs color for specific materials and products like reports or brochures).
Computer networks consist of two or more computers or hardware devices linked together to enable connections between shared hardware, software, and data. A combination of networks that consist of telephone networks and computer networks are also becoming more commonly used in this generation.[2] The data is able to be passed along to other networks due to networked computing devices along data connections. A datagram, segment, or block is a unit of communication over a digital network, commonly known as a packet. The data breaks down into smaller units of data when needed. Once the data travels along the data connections, the pieces of data are reassembled into the original data chunk. Data is structured differently, depending on the protocol enforcing the data. The structure of a packet consists of a header and a payload. The header consists of titles regarding transmission-related information. The payload, however, consists of the actual data the packet is carrying.[3] Computer networks range from small private networks, to large computer networks. The Internet, or the World Wide Web, is the largest computer network, consisting of a system of interlinked hypertext documents accessed via the Internet. Via hyperlinks, a user of the Internet can access images, text, videos, etc.
The internet has changed dramatically since its first incarnation. In 1969 the U.S. department of defense created ARPANET.[1] The original concept of this project was to connect researchers located in different places to be able to communicate and collaborate from far distances. The fear of nuclear attack was very prevalent at this time, so the team also wanted to make a network that could still operate after a nuclear attack. Therefore creating many different fail safes, and alternative routes for packet sending was necessary. As this project grew, more and more people gained access to the internet and began shaping it to what we know today. As we have described before, everyone who uses the internet is called an internet user. For these users to obtain access to the internet, you must go through an ISP (internet service provider.) Side note, while the internet is not owned by any one company or government, it is most assuredly not free. It costs money to build, run, and maintain the servers that bring you the funny cat videos. 2ff7e9595c
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