General Knowledge - Science and Technology

Full form of ‘CNG’ is – Compressed Natural Gas A bit is binary representation and can take either of the two values – 0 or 1 Chemical name of Alum used for purifying water is – Aluminum Sulphate Steam Engine was invented by – James Watt Electricity consumption or use is measured in – KWH ( Kilo Watt per hour) The remotest planet in the solar system – Neptune The natural temperature of human body in Celsius scale is -36.9 degree Celsius We receive Vitamin D from – Sunshine The most distinctive difference between a LAN and a WAN is – Distance covered Earthquakes are recorded – Seismograph The longest day is in the month of – June ‘IRATOM’ is a – One kind of highbred rice In nature the hardest material -diamond ‘Red Planet’ is called – the Mars A device that reads text and images directly into computer is called – Scanner WWW stands for – World Wide Web The apparatus to measure purity of milk is – Lactometer MS Excel is a – Spreadsheet Software ‘My Document’ by default located at – C Drive Father of the personal computer/ computing – Dr. Henry Edward