Students spend up to 10 hours a day on their smart phones, the Mail Online reports. The results of a US study suggest that some young people have developed an addiction to their phone. Smart phone addiction is the habitual drive or compulsion to continue to use a smart phone, despite its negative impact on […]
Month: October 2016
Telephone
Telephone Telephone is an instrument that converts voice and other sound signals into a form that can be transmitted to remote locations that receives and reconverts waves into sound signals.” The word telephone is derived from the Greek language. Many inventors had brainstormed the idea of a telephone. In 1627 Francis Bacon actually described a […]
Protected: Basic Question and Answer on Computer, Internet and Information Technology by Mojahar
LED-lampor
Lumen kan man säga beskriver hur mycket ljus som strålar ut från en ljuskälla. Det vill säga summan av ljuset från ljuskällan. Candela som används för spotlights anger endast ljusstyrkan i det belysta området. Det vill säga, två lampor med samma effekt men med olika spridningsvinklar kommer få två olika candelavärden. Lampan med mindre spridningsvinkel […]
Pen Drive is the world’s smallest size 128 GB USB 3.0
প্রতিবাদী সঙ্গীতস্রষ্টার নোবেল জয় আর বিতর্ক
সঙ্গীতশিল্পী হিসেবে পাঁচ দশকের বেশি সময়ের কর্মজীবনে বিভিন্ন অর্জন আর নিজের কাজের নান্দনিক ভিন্নতার জন্য অনেক আগেই ইতিহাসে স্থান করে নিয়েছেন বিখ্যাত মার্কিন সঙ্গীতরচয়িতা ও গায়ক বব ডিলান। এ সপ্তাহে তাঁকে নিয়ে তৈরি হল নতুন ইতিহাস। মার্কিন সঙ্গীত-ঐতিহ্যে অভিনব কাব্যিক অভিব্যক্তি সৃষ্টি করার জন্য বব ডিলানকে দেওয়া হল সাহিত্যে নোবেল পুরস্কার। আর এই প্রথমবারের মতো […]
Advantages & Disadvantages for Modems
Modem Options The three main types of modems for Internet access are dial-up modems, cable modems and DSL modems. Dial-up requires a phone line and an internal or external modem. The consumer supplies his your own modem. Data transmission rates run at 56 kilobits per second or possibly less.A cable modem supplies broadband service through […]
Advantages and Disadvantages of a USB Flash Drive
Advantages and disadvantages Advantages Compared to hard drives, flash drives use little power, have no fragile moving parts, and for most capacities are small and light. Data stored on flash drives is impervious to mechanical shock, magnetic fields, scratches and dust. These properties make them suitable for transporting data from place to place and keeping the data […]
The Disadvantages for a USB Flash Drive
USB flash drives are a remarkably convenient way to store your information. With the invention of these small, affordable drives, users can easily transport essential information from one computer to another. Their size enables users to carry these drives on keychains or in bags, and each year their storage capacity seems to grow. These popular […]
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