Answer: PLC uses:
1. Decimal Number system
2. Binary Number system.
3. Octal Number system.
4. Hexadecimal Number system.
5. Binary Coded Decimal Number system.
6. Negative Number system.
7. Number Conversations.
Explanation: The other numbers the Programmable Logic Controller(PLC) uses aside the decimal number system are:
1. Binary Number system.
2. Octal Number system.
3. Hexadecimal Number system.
4. Binary Coded Decimal Number system.
5. Negative Number system.
6. Number Conversations.
Answer:
InsuranceRates.smokerCharge
Explanation:
To set the baseCost variable to the value of the class variable smokerCharge, the developer needs to replace
Decimal baseCost = XXX;
with
Decimal baseCost = InsuranceRates.smokerCharge;
This is done using the class reference type.
The smokerCharge should be declared in the InsuranceRates class, at first.
For example Ball b;
And then, a new instance of the object from the class is created, using the new keyword along with the class name: b = new Ball();
In comparing to the example I gave in the previous paragraph, the object reference in the program is:
InsuranceRates rates = new InsuranceRates();
Because the smokerCharge is coming from a different class, it can only be assigned to the variable baseCost via the InsuranceRates class to give:
Decimal baseCost = InsuranceRates.smokerCharge;
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Answer:
3) 44 10 44
Explanation:
Given data
int [] val = { 3, 10, 44 };
The total number of parameters of given array are 3, so total length of array is also 3.
The indexing of array starts with '0', Therefore the <u>indexes</u> of array with length zero are: {0,1,2}
The value of array at index 0 is = 3
similarly
value at index 1 = 10
value at index 2 = 44
Any value of index 'i' of an array is selected using array[i].
Therefore,
val[0] is selecting the value of array located at index '0'.
val[0] = 3
val[2] is selecting the value of array located at index '2'.
val[2] = 44
Finally,
val[0] = val[2]; is copying the value placed at index 2 (44) to value placed at index 0 (3). Hence, the output would be { 44 10 44}. So 3rd option is correct.
