Class 12 ISC- Java
Class 12th Java aims to empower students by enabling them to build their own applications introducing some effective tools to enable them to enhance their knowledge, broaden horizons, foster creativity, improve the quality of work and increase efficiency.
It also develops logical and analytical thinking so that they can easily solve interactive programs. Students learn fundamental concepts of computing using object oriented approach in one computer language with a clear idea of ethical issues involved in the field of computing
Class 12th java topics includes revision of class 11th, constructors, user-defined methods, objects and classes, library classes , etc.
Logic Word Problems
1. A passenger is allotted a window seat in an aircraft if he/she satisfies the criteria given below:
The passenger is below 15 years and is accompanied by an adult.
or
The passenger is a lady and is not accompanied by an adult.
or
The passenger is not below 15 years but is travelling for the first time.
The inputs are:
A - The passenger is below 15 years age.
C - The passenger is accompanied by an adult.
L - The passenger is a lady.
F - The passenger is travelling for the first time.
(In all the above cases 1 indicates yes and 0 indicates no).
Output: W – Denotes the passenger is allotted a window seat (1 indicates yes and 0 indicates no)
Draw the truth table for the inputs and outputs given above and write the SOP expression for W(A, C, L, F).
Solution :
2. A company intends to develop a device to show the high-status power load for a
household invertor depending on the criteria given below:
• If Air conditioner and Geyser are on
OR
• If Air conditioner is off, but Geyser and Refrigerator are on
OR
• If Geyser is off, but Air conditioner and Water purifier are on
OR
• When all are on
The inputs are:
A - Air conditioner is on
G - Geyser is on
R - Refrigerator is on
W - Water purifier is on
(In all the above cases 1 indicates yes and 0 indicates no.)
Output: X [1 indicates high power, 0 indicates low power for all cases]
Draw the truth table for the inputs and outputs given above and write the SOP
expression for X(A,G,R,W).
Solution :
3. The owner of a company pays the bonus to his salesmen as per the criteria are given below:
If the salesman works overtime for more than 4 hours but does not work on off days/ holidays.
OR
If the salesman works when festival sales are on and updates showroom arrangements.
OR
If the salesman works on an off day/holiday when the festival sales are on.
The inputs are
O - Works overtime for more than 4 hours
F - Festival sales are on
H - Working on an off day/holiday
U - Updates showroom arrangements
(In all the above cases 1 indicates yes and 0 indicates no)
Output: X[1 indicates yes, 0 indicates no for all cases]
Draw the truth table for the inputs and outputs given above and write the POS expression for X(O, F, H, U).
Solution :
