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