Tuesday, January 11, 2011

Laptops & Accessories

Laptops are also known as notebooks. Laptop is also a kind of personal computer which is specially designed for mobile use. Laptops, as compared with desktop computers, are quite thin, smart and easy to handle. Just like personal computers, laptops have become very user friendly for all users. There are basically 5 types of laptops available in the market such as mini, gaming, touch screen, computers, and i7. The most popular and widely used brands of laptops include Acer (TravelMate, eMachines, Extensa, Ferrari and Aspire), Apple (MacBook, MacBook Air and MacBook Pro), Asus (Asus Eee, Lamborghini, ASUS G Series(ROG), Dell (Alienware, Inspiron, Latitude, Precision, Studio, Vostro and XPS), Fujitsu (Lifebook), Gateway, HCL (ME Laptop, ME Netbook, Leaptop and MiLeap), Hewlett-Packard—HP (HP Pavilion, HP Probook, Compaq Presario), Lenovo (ThinkPad, IdeaPad, and 3000 series), LG (Xnote), MSI—Micro-Star International (Entertainment), C(lassic), P(rofessional), G(aming), V(alue), A(esthetic), X(Slim), U series and Wind Netbook), Packard Bell (Easynote), Panasonic (Toughbook, Satellite, Let's Note), Sager Midern (Clevo), based models, Samsung (SENS: N, P, Q, R and X series), Sony (Vaio), TG Sambo (Averatec, Averatec Buddy) and Toshiba (Dynabook, Portege, Tecra, Satellite, Qosmio, Libretto). Just like desktop computers, laptops also consist of numerous laptop accessories and parts which are easily available through online and offline stores and shops. 

Drive & Storage Devices

Drives and storage devices are the most common terminologies used in the world of networking and computers. Data storage equipments are run by three basic methods which are portable methods, semi-portable methods, and inseparable methods. Portable methods in data storage are done by hand crafting, flat surface, printmaking, photographic, fabrication, automated assembly, textile, molding, solid freeform fabrication, cylindrical accessing, memory card reader/drive, tape drive, mono reel or reel-to-reel, compact cassette player/recorder, disk accessing, disk drive, disk enclosure, cartridge accessing/connecting (tape/disk/circuitry), peripheral networking and flash memory devices. In data storage, semi-portable methods are done by using hard disk drive and circuitry with non-volatile RAM whereas inseparable methods are done by utilizing circuitry with volatile RAM and neurons. Operating systems of computer machines entail many processes which offer various common features like process management, interrupts, memory management, file system, device drivers, networking (TCP/IP, UDP), security (process/memory protection) and I/O whereas computer drives usually interface with printers, video adapters, network cards, sound cards, local buses of various sorts, low-bandwidth I/O buses of various sorts, computer storage devices such as CD-ROM, floppy disk buses (ATA, SATA, SCSI) and hard disk, image scanners and digital cameras etc. Device drivers in computers are also known as software drivers. 

Desktops & Servers

Desktop computers are also known as personal computers (PCs). There are basically 4 basic types of desktops which are all in one, touch screen, mini, and i7 gaming. Various notable and recognized online stores sell desktops to their customers and the names of these online stores are PCWorld, Amazon, Overstock, Best Buy, World of Trade and Tiger Direct etc. Dell, HP, Gateway, Apple, and Acer are the top brands of desktop computers. Desktop computers consist of standardized parts and accessories as compared to laptops. Therefore, all parts and accessories of desktop computers are easily available everywhere and the total price of these desktop accessories and parts is relatively low than those of laptops. There are basically 5 types of servers which are blade, media, application, http, and terminal and all of these types of servers are also sold through leading online stores such as Tiger Direct, Server Products, eBay, Newegg, and Best Buy etc. Top 5 brands of servers include Dell, HP, IBM, Apple as well as Cisco. World Wide Web, domain name system, e-mail, FTP file transfer, chat and instant messaging, voice communication, streaming audio and video, online gaming and database servers are the examples of servers running on the Internet. All of these desktops and servers consume a great amount of energy all over the world. 

Computer Components

This is an era of computers all over the world. A computer, a most useful invention ever created by the human being, consists of a number of basic and computer components which have different roles and functions. There are several basic and optional components and parts in a computer including computer case, power supply, motherboard, processor (CPU) with heat-sink/fan, RAM, hard drive, graphics/video card, PCI cards, USB slots, CD drive, monitor, mouse, keyboard, operating system, computer tools or tool kit, extra connectors/screws, IDE cables, antistatic wrist band or floor mat, computer tool kit, Ethernet card a/k/a network interface card, audio / sound card, speakers, power protection  (also known as surge protectors, modem, zip drive, flash memory or other storage / backup device, printer, protective software for virus protection and enhanced security, floppy drive, extra cooling fans ,DVD Drive, headphones, scanner, webcam, digital camera with photo printer, and PDA (Personal Digital Assistant) and FireWire/I. Link etc. All above listed parts and components of computers are easily available in the computer and hardware shops. You can also buy these parts and components used in computers through online stores, virtual outlets and business to business portals and websites. One must always choose only branded computers parts and components as inferior parts and components may badly harm your computer systems. 

Monday, January 10, 2011

Computer Accessories

There are a number of computer accessories used for different usages and functions. The list of generally-used computer accessories includes keyboards, mice, printers, scanners, webcams, speakers, batteries, networking, gaming, external hard drives, and monitors. But, this is not the complete list as there are many other computer accessories introduced by leading computer manufacturers. Brands like Apple, D-Link, Linksys, Logitech, Net gear, Microsoft and Wacom etc. are known as major computer brands. These companies also manufacture a complete range of computer accessories as well. The names of some of the computer accessories are: Note book, cases & sleeves, portable projectors, webcams, wireless keyboards, wireless mice, laptop, batteries, cases & bags, monitors, notebook mice, portable projectors, speakers, stands, wireless keyboards, desktop keyboards, mice, monitors, speakers, printers, projectors, tablets & digital pens, headsets & microphones, modems, network cameras, VOIP, webcams, entertainment networking, multi-room music systems, network adapters, powerline, routers, wireless printers, external hard drives, memory cards, NAS, optical drives, USB flash drives, gaming controllers, headsets, touch screen tablet accessories, blank media, cables & interconnects, cleaning & repair kits, privacy screens, surge protectors, ink & toner, photo paper, printers, and scanners and shredders etc. Examples of gaming accessories include controllers, gaming keyboards, gaming mice and microphones & headsets etc. and names like LCD monitors, LCD projectors, DLP projectors and portable projectors etc. are supposed to be perfect examples of computer monitors and projectors.