Computer Accessories

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Computer Accessories 

  • Computer accessory - an accessory for a computer; "when you add in all the computer accessories you are going to need the computer gets pretty expensive".

    Contents :-  

  1. Accessories & Peripherals
  2. PCI Express Riser Card
  3. External Devices & Data Storage
  4. Universal All Type Screw
  5. Networking Devices
  6. PC Gaming Peripherals
  7. Laptop Accessories

1. Accessories & Peripherals




A peripheral device is "an ancillary device used to put information into and get information out of the computer".

Three categories of peripheral devices exist based on their relationship with the computer:

  1. an input device sends data or instructions to the computer, such as a mouse, keyboard, graphics tablet, image scanner, barcode reader, game controller, light pen, light gun, microphone, digital camera, webcam, dance pad, and read-only memory
  2. an output device provides output from the computer, such as a computer monitor, projector, printer, and computer speaker and
  3. an input/output device performs both input and output functions, such as a computer data storage device (including a disk drive, USB flash drive, memory card, and tape drive) and a touchscreen.

2. PCI Express Riser Card

  •  A riser card is a printed circuit board that picks up a multitude of signal lines (often bused) via a single connector (usually an edge connector) on a motherboard and distributes them via dedicated connectors on the card.
  • Riser cards are often used to allow adding expansion cards to a system enclosed in a low-profile case where the height of the case does not allow for a perpendicular placement of the full-height expansion card.
  • A riser card is a board that plugs into the system board and provides additional slots for adapter cards. Because it rises above the system board, it enables you to connect additional adapters to the system in an orientation that is parallel to the system board and save space within the system case.

3. External Devices & Data Storage

Internal storage is usually more efficient, because there is a space cost for the references and dynamic allocation metadata, and a time cost associated with referencing a reference and with allocating the memory for the smaller objects. Internal storage also enhances locality of reference by keeping different parts of the same large object close together in memory. However, there are a variety of situations in which external storage is preferred:
  • If the data structure is recursive, meaning it may contain itself. This cannot be represented in the internal way.
  • If the larger object is being stored in an area with limited space, such as the stack, then we can prevent running out of storage by storing large component objects in another memory region and referring to them using references.
  • If the smaller objects may vary in size, it's often inconvenient or expensive to resize the larger object so that it can still contain them.
  • References are often easier to work with and adapt better to new requirements.

4. Universal All Type Screw



  • A screw is a type of fastener, in some ways similar to a bolt , typically made of metal, and characterized by a helical ridge, known as a male thread (external thread). Screws are used to fasten materials by digging in and wedging into a material when turned, while the thread cuts grooves in the fastened material that may help pull fastened materials together and prevent pull-out. There are many screws for a variety of materials; those commonly fastened by screws include wood, sheet metal, and plastic.

5. Networking Devices

  • Networking hardware, also known as network equipment or computer networking devices, are physical devices which are required for communication and interaction between devices on a computer network. Specifically, they mediate data in a computer network. Units which are the last receiver or generate data are called hosts or data terminal equipment.

6. PC Gaming Peripherals


  • Each successive year brings a fresh batch of PC peripherals designed to help you eke maximum enjoyment out of the latest games.Unlike graphics cards, processors and other components that get more powerful as time goes on, peripherals follow no obvious blueprint. As such, their makers tend to focus on value, innovation and, of course, trends.

7. Laptop Accessories


  • Laptop Accessories includes the physical parts or components of a computer, such as the central processing unit , monitor , keyboard, computer data storage, graphic card, sound card 
  • speakers and motherboard. By contrast, software is instructions that can be stored and run by hardware.Hardware is directed by the software to execute any command or instruction. A combination of hardware and software forms a usable computing system.


 









 

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