1. What would the output of the following Prolog query be?

f(a,b) = f(X,Y).

Select one:

a. A=a. B=b.

b. X=a. Y=b.

c. This expression will generate an error.

2. Refer to the Java classes below: public class BankAccount { private double myBalance; public BankAccount() { myBalance = 0; } public BankAccount(double Balance) { myBalance = balance; } public void deposit (double amount) { myBalance += amount; } public double getBalance() { return myBalance; } } public class SavingsAccount extends BankAccount { private double myInterestRate; public SavingsAccount() { /* implementation not shown */ } public SavingsAccount(double balance, double rate) { /* implementation not shown */ } public void addInterest() { /* implementation not shown */ } } Which is a correct implementation of the constructor with parameters in the SavingsAccount class?

Select one:

a. myBalance = balance; myInterestRate = rate;

b. getBalance() = balance; myInterestRate = rate;

c. super(); myInterestRate = rate;

d. super(balance); myInterestRate = rate;

3. What output will the following perl code produce?

$barney = 56; $sum = 10 + $barney; print "Sum is $sum. ";

Answer: ....

4. Which option is the 2's complement of the following binary number:

00011100

Select one:

a. 11100100

b. 01111100

c. 10011100

d. None of these answers

5. The following code is an example of what functional programming language concept:

(f(x)+f(x))-f(x) is equivalent to 2(f(x))-f(x)

Select one:

a. referential transparency

b. polymorphism

c. the multiplicative property

d. type mapping

6. True/False: The type 2 hypervisor is designed to run directly on bare metal.

7. True/False: Subprograms that return a value are called procedures.

Select one:

True

False

8. Given the following perl code what will the output be?

@arr1 = (0,1,2,3,4); $, = ": "; # Change the separator again print (@arr1," ");

Select one:

a.

0: 1: 2: 3: 4: 

b. 0 1 2 3 4

c. 0:

d. 0, 1, 2, 3, 4