computer science ONLINE TEST 0% 11th Computer Science – Chapter 1 & 2 Wish you all the Best ! The number of attempts remaining is 1 1 / 25 Who coined the term byte? Herman Hollerith Werner Buchholz Charles Babbage John von Newmann 2 / 25 Which generation gave a start to parallel computing? Seventh Fifth Sixth Fourth 3 / 25 How many characters can be handled in Binary Coded Decimal System? 255 128 64 256 4 / 25 Which of the following device uses CCD Electronic chip? Voice Input Systems Digital Camera OCR BCR 5 / 25 Which of the following is the heart of the computer? HDD CPU SDD ANN 6 / 25 Expand POST? Post on self Test Power on Self Text Power on Software Test Power on Self Test 7 / 25 How many parameters can be considered to know the magnitude of the number? 5 3 2 4 8 / 25 NOR is a combination of ? NOT(AND) NOT(OR) NOT(NOT) NOT(NOR) 9 / 25 How many coding schemes are used to represent character in India? 3 4 5 2 10 / 25 ______Output device is used for printing building plan? Thermal printer Dot matrix inkjet printer Plotter 11 / 25 Expansion for ASCII? American Standard Code for Information Interchange American Society Code for Information Interchange All Standard Code for Information Interchange American School Code for Information Interchange 12 / 25 Which of the following is not a non volatile memory? Hard disk CD – ROM RAM ROM 13 / 25 First generation computers used? Microprocessors Transistors Integrated circuits Vacuum tubes 14 / 25 How many types of Booting process in system? 4 2 3 5 15 / 25 Who invented the computer mouse? Bill English Douglas Engelbart Apple Lisa Henry Babbage 16 / 25 NAND is called as _____ Gate? Universal gate Logical Gate Derived Gate Fundamental Gate 17 / 25 Which gate is called as the logical inverter? AND NOT XNOR OR 18 / 25 Which generation of computer used IC’s? Second Third Fourth First 19 / 25 Which amongst this is not an Octal number? 876 645 234 123 20 / 25 Which unit does the processing of data? Output unit Input unit CPU Registers 21 / 25 In binary numbers, the signed negative number has a prefix? 1 2 3 4 22 / 25 A.A = ? A 1 Ā 23 / 25 Which refers to the number of bits processed by a computer’s CPU? Bit Byte Nibble World Length 24 / 25 Name the volatile memory? RAM ROM PROM EPROM 25 / 25 Which component used in third generation computers? Vacuum tubes Transistors IC Microprocessors Your score is 0% Note: Once you start the test, you are not allowed to go back. Results won’t be generated if you quit the test. Complete the test within the given time. Once the time is over, the test will be submitted automatically. You can verify your answers at the result page.