CPSC 121 Midterm: Midterm 1 Cheatsheet

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25 Mar 2016

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CPSC 121 Full Course Notes

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Negation: p p p p (p (p p p p p p p p p (p (p q q q q r q) (q (q r q) (q r) q) r) (q q) p. F ( p) ( p) r) r) (p (p. Idempotent: p p p p p p p. P) ( q) q) (p q) (p. As or (p -> q) = ~p v q. 2k = 10(10 different light display variations) , k = inputs required = 4. A circuit that chooses between two or more values. If select is true, outputs b n-bit binary integers range 0- 2k-1 n-bit binary integers range -2n-1 to 2n-1-1 (signed) (unsigned) q . (p q) r r r q . Hexadecimal (d*16 n ) where d is any integer 1-15. 1: what is the decimal number of the integer with a 2"s complement of.

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32. What is printed by the following code in base 2? public static void main(String[] args) int[] a = {18,-11,4,-8}; int[] b = (-1,1,-1,-1); Manipulation (a,b); System.out.println(a [0] +a[1]+a[2] +a[3]); public static void Manipulation (int[] b, int[] a) for (int i = 0; i

31. What is the last number printed by the program to the right? A. B. C. 2 4 8 D. 16 void setup() { funci (func2(func3(2))); void funcl (int x) { println("funcl " + x); int func2(int x) { funci (x); println("func2 " +x); return x*x; int func3 (int x) { int y = func2(x); println("func3" + x); return y;

Your program will take an arithmetic expression as a String input. For Example:

“1+2*(3/4)”

“1+2*[3*3+{4–5(6(7/8/9)+10)–11+(12*8)]+14”

“1+2*[3*3+{4–5(6(7/8/9)+10)}–11+(12*8)/{13+13}]+14”

Program

Your program will determine whether the open brackets (the square brackets, curly braces and the parentheses) are closed in the correct order.

Outputs:

Output 1

1+2*(3/4)

This expression is correct.

Output 2

1+2*[3*3+{4–5(6(7/8/9)+10)–11+(12*8)]+14

This expression is NOT correct.

Error at character # 10. ‘{‘- not closed.

Output 3

1+2*[3*3+{4–5(6(7/8/9)+10)}–11+(12*8)/{13+13}]+14

This expression is correct.

Output 4

1+2]*[3*3+{4–5(6(7/8/9)+10)–11+(12*8)]+14

This expression is NOT correct.

Error at character # 4. ‘]‘- not opened.

Task 1

Solve the above problem using an array-based stack.

Task 2

Solve the above problem using a linked list-based stack.

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CPSC 121 Midterm: Midterm 1 Cheatsheet

CPSC 121 Full Course Notes

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