Sunday, 8 April 2012



  • Other name for laptop is notebook
  • It can be charged with battery and it will stay on so long as the battery has charge.
  • Laptop computers are difficult to repair, upgrade or modify due to their closed and integrated design. 
  • Tablets often lack the physical QWERTY keyboard seen on notebooks.Instead,the user can also pull out an on-screen keyboard that  use for input.
  • The main advantage of tablets is in their flexibility.For notebooks the user needs to open and place on a stable surface  inorder to use comfortably, which is not need for tablet that the user can use one hand to hold a tablet and the other to manipulate it. 
  •  Note-taking is one use where tablets look excel over notebooks.
  • Tablets have a touchscreen interface not found on most notebooks.
  • Tablets are much more expensive compared to notebooks
  • Tablet have rotating LCD display also presents a weak point for the device where damage can quickly occur.



  • A small computer that literally fits in your palm. 
  •  It have severely limited feature, but they are practical for certain functions such as phone books and calenders
  • Palmtops that use a pen rather than a keyboard for input 
  • Palmtops are also called PDA(Personal Digital Assistant), hand-held computers and pocket computers.
  • Because of their small size, most palmtop computers do not include disk drives. However, many contain PCMCIA(Personal Computer Memory Card International Assocation ) slots or simply PC cards in which you can insert disk drives, modems,memory, and other devices.
  • It draw power from a battery,it has built-in camera

                                               ipod touch
  • The iPad  is a line of tablet designed and marketed by Apple inc., primarily as a platform for audio-visual media including books, movies, music, games, apps and web content.
  • The iPad runs on ios, the same os used on Apple's ipod touch  (The iPod Touch is a portable media player, PDA, handheld game consle, andwi-fi moblie device designed and marketed by  Apple  inc ) and iPhone(It is a line of smart phone designed and marketed by Apple inc), and can run its own applications as well as iPhone applications. 
  • Without modification, the iPad will only run programs approved by Apple and distributed via the Apple app store.
  • iPad A4 chip which makes it,s abilities to perform its tasks superior than iPod.
  • Basically the iPad is an iPhone with a larger HD screen. However, over time, the larger screen will open it up to a lot more app possibilities than the iPhone.



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