Simplify the expression (A+B)(A+C) stating the law of Boolean algebra applied at each step (Answered)
Kihoto self-help group comprises of 58 members. They intend to choose 3 officials from the group to represent them in a conference. Determine the number of ways the 3 members can be chosen (Answered)
State two differences between discrete variable and a continuous variable (Answered)
Peter, John and Mary intend to purchase 15, 16, 18 books and 9, 11, 15 pens each respectively. In shop A a book cost Kshs 250 and a pen costs Kshs 175 while in shop B, a book cost Ksh 225 while a pen costs Kshs 190.
i) Represent this information in matrix form.
ii) Using matrix method, determine the total cost the three students would spend to acquire the items from shop A and from shop B. (Answered)
Derive the truth table for each of the following logic gates having two inputs.
(i)NOR gate
(ii)NAND gate
(iii)XNOR gate
(Answered)