Computer Objective Questions || Practice Set || Shishu Varg || Class 4 & 5

1) What is the first mechanical calculating device of the world? Answer:- Abacus Q2) Who is Know as the world's First Programmer? Answer :- Lady Ada  Q3) Which computer device is also known as 'Type Writer'? Answer :- Keyboard Q4) Who is known as the Father of Computer? Answer :- Charles Babbage Q5) What does CRT stands for in Computer? Answer :- Cathode Ray Tube Q6) Which Computer Device convert Soft Copy Output to Hard Copy Output? Answer :- Printer Q8) Which company developed first wireless mouse? Answer :- Logitech Q9) Which Computer Device is also called Hand Held Pointing Device? Answer :- Mouse 10) Computer Display Screen Output is called ______. Answer :- Soft Copy Output Q11) Which Computer Device convert Hard Copy Output to Soft Copy Output? Answer :- Scanner 12) Which Computer Device used to play game? Answer :- Joystick 13) What does GUI stands for? Answer :- Graphical User Interface 14) What is the name of first topmost display screen of computer which contains icons? Answer :- Desktop  15) What is the name of thin strip lies at the bottom of the desktop? Answer :- Taskbar 16) Which shortcut key is used to get help in reference to active screen? Answer :- F1 17) Which shortcut key is used to rename selected files or folder? Answer :- F2