1 What do you mean by Cardinality and Degree in a relation? 2 Write the name of five Open source RDBMS. 3 How would you troubleshoot if following problems occur on your computer? (a) Program runs slowly or isn’t working right (b) Program is completely unresponsive (c) Problems starting or shutting down the computer (d) Computer begins randomly rebooting or crashing (e) No sound/ speaker problem 4 Do as direction (a) 100100 (convert into hexadecimal Number system) (b) 101001 (convert into Octal Number system) (c) 10011 (Convert into Binary Number system) (d) BD (16) (convert into Binary Number system) (e) 76 (8) (convert into Decimal Number system) 5 Write name of any five Python programming language keywords. 6 How a comment is written in python language? 7 What will be value of a, b, and c after evaluation of these code? a, b, c = 5, 10, 7 b, c, a = a + 1, b + 2, c - 1 print