Class 4 Computer FA1admin2021-08-25T22:09:25+05:30Welcome to your Class 4 Test Name Class 1. Name the first mechanical Calculator.Pascal’s CalculatorMouthKeyboard2. Abacus was invented by?BabyloniansAmericansChinese3. Which of the following calculating devices was invented in 1614?AbacusPascal’sNapiers bones4. Which of the following machines used decimal digits instead of binary digits?Univac- 1EniacAbacus5. Which of the following computer is an example of 1st generation computer?AstaireENIACIBM 77076. In which county Abacus was invented?AustraliaIndiaChina7. Name the inventions of Charles Babbage.Analytical engineMicro chipTransistors8. Abacus was invented by the ancient.........ChineseAfricansIndians9. Which Device was used by the Hindu Arabic notation of numbers?Napiers boneVaccum tubesCharles Darwin10. What is the main working component of 2nd generation computers?VacuumsWiresTransistors11 out of 10
