Page 17 - Trackpad_ipro 4.1_Class5
P. 17

One       Touch      Learn                                              Section A (Objective)
                  One

                 A.  Tick (3) the correct option.

                     1. Where did early men carve marks in order to keep track of things?

                        a. Clay                      b. Computer                  c. Calculator


                     2. Which generation of the computers used magnetic tapes?

                        a. First                     b. Third                     c. Second

                     3. Which of the following was invented by Herman Hollerith?


                        a. UNIVAC                    b. Mark-I                    c. Tabulating Machine

                     4. Which of the following is the first electro-mechanical computer?


                        a. Mark-I                    b. ENIAC                     c. Difference Engine

                     5. Which of the following can process millions of instructions in seconds?

                        a. Pebbles                   b. Computer                  c. Tabulating machine


                 B.  Write ‘T’ for true and ‘F’ for false.

                     1. A computer is not gifted with intelligence as human
                        beings are.                                                                   ..........................

                     2. Abacus is used to calculate numbers at low speed.                             ..........................

                     3. VLSI stands for very low scale integration.                                   ..........................

                     4. GUI operating system was introduced in the fourth generation.  ..........................

                 C.  Fill in the blanks using the words given below:

                                        Hints

                                             ENIAC, John Mauchly, IBM, Charles Babbage,

                                                             Lady Ada Lovelace

                     1.  ................................ is known as the ‘Father of computer’.

                     2.  ................................ is the first programmer in computer history.

                     3.  UNIVAC was invented by ................................ and Presper Eckert.

                     4.  ................................ introduced the PC-XT.
                     5.  ................................ consumed almost 200 kW of power.




                                                                                        Evolution of Computers   15
   12   13   14   15   16   17   18   19   20   21   22