Computers and Technology, 10.08.2019 03:20, xbeatdroperzx

Consider the following c program: int fun(int i) { i += 5; return 4; } void main() { int x = 3; x = x + fun(& x); } what is the value of x after the assignment statement in main, assuming a. operands are evaluated left to right. b. operands are evaluated right to left

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Computers and Technology, 09.07.2019 00:20, itcelmairani

Consider the following program, which consists of two object modules: 1 /* foo6.c */ 2 void p2(void); 3 4 int main() 5 { 6 p2(); 7 return 0; 8 } 1 /* bar6.c */ 2 #include 3 4 char main; 5 6 void p2() 7 { 8 printf("0x%x\n", main); 9 } when this program is compiled and executed on an x86-64 linux system, it prints the string 0x48\n and terminates normally, even though function p2 never initializes variable main. can you explain this?

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Computers and Technology, 12.07.2019 20:40, xojade

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Computers and Technology, 14.07.2019 02:20, daigle18383

What is the exact output of the following program? #include using namespace stdi void zolo(int & a, int sb) int main int x = 5, y =8; zolo(x,y)i cout < < "x " < < x < < endl ; cout < < "y = "" < < y < < endl ; return o: void zolo(int & a, int & b) int v1 = b + a; ' int v2 = b-a; 3 a=v1; 13

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Computers and Technology, 06.10.2019 23:30, SMNS625

Cs124 pratctice 21. which fragment of code accepts a user's address (such as "1600 pennsylvania avenue")? a. char address; cin > > address; c. char address[256]; cin.getline(address, 256); b.char address; cin.getline(address); d. char address[256]; cin > > address; 22. what is the value of a after the following code is executed: { bool a = (3 == 'a'); } a. true b. false 23. what is the value of b after the following code is executed: { bool a = ! (true); bool b = ! (true & & false) & & a; } a. true b. false 24. what is the value of e after the following code is executed: { bool a = (10 < 10); bool b = ! a; bool c = a || b; bool d = c & & (b || a); bool e = d & & d; } a. true b. false 25. what is the value of a after the following code is executed: { bool a = 42; } a. true c. undefined b. false d. syntax error 26. what is the output: { char a = 'a'; if (a = 'b') a = 'c'; else a = 'd'; cout < < a < < endl; } a. a b. b c. c d. d 27. which of the following fragments of code will determine whether i have passed a class? a. bool pass = (grade => 60); b. bool pass = false; if (grade < 60) pass = true; c. bool pass = < 60)); d. bool pass = true; if (grade = 60) pass = false; 28. what is the output: { int z = 3; if (z = 4); cout < < "error"; cout < < z < < endl; } a. error b. 3 c. d. error 4 29. what is the output? void a() { cout < < 6; return; } int main() { cout < < 3; a(); cout < < 9; return 0; } a. 39 b. 6 c. 369 d. 639 30. what is the output of the following program: void subtract(int b, int a) { cout < < a - b < < endl; return; } int main() { int a = 16; int b = 12; subtract(a, b); return 0; } a. 12 c. 16 b. 4 d. -4 31. what is the output? int two() { return 6; } int main() { int one = 10; int three = two() + one; cout < < three < < endl; return 0; } a. 6 b. 10 c. 3 d. 16 32. what is the output? double z(double b double c) { return b - c; } int main() { cout < < z(20.6 10.2) < < endl; return 0; } a. 30.8 b. 10.4 c. compile error d. z(20.6, 10.2) 33. what is the output of the following program: double z(double a1, double a2) { return a1 + a2; } int main() { double a = z(2, 4); double b = z(a, z(11, 11)); cout < < b < < endl; return 0; } a. 22 c. 28 b. 6 d. 11 34. what is the output of the following program: int setseven(int value) { value = 7; return value; } int main() { int value = 6; setseven(value); cout < < value < < endl; return 0; } a. value c. 6 b. d. 7 35. what is the output of the following program: void function(int x, int & y) { x = 0; y = 0; return; } int main() { int m = 2; int n = 6; function(m, n); cout < < "m == " < < m < < endl < < "n == " < < n < < endl; return 0; } a. m == 2 n == 6 c. m == 2 n == 0 b. m == 0 n == 0 d. m == 0 n == 6 36. which best describes a computer bus? a. a device that outputs data to the user or accepts input from the user c. a chip that moves data from one part of the computer to another b. the data connection between main memory and the cpu d. the data connection between the components of a computer 37. if your body was a computer, select all the von neumann functions that the spinal cord would perform. a. bus c. memory b. i/o d. cpu 38. a digital wrist watch is a computer. which von neumann component is the display? a. memory c. bus b. cpu d. i/o 39. which part of a compiler breaks a program up into words or tokens? a. parser c. linker b. lexer d. code generator 40. 3 byte(s) equals a. 3 bits d. 12 bits b. 96 bits e. 6 bits c. 24 bits

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Consider the following c program: int fun(int *i) { *i += 5; return 4; } void main() { int x = 3; x = x + fun(& x); } what is the value of x after the assignment statement in main, assuming a. operands are evaluated left to right. b. operands are evaluated right to left

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Consider the following c program: int fun(int i) { i += 5; return 4; } void main() { int x = 3; x = x + fun(& x); } what is the value of x after the assignment statement in main, assuming a. operands are evaluated left to right. b. operands are evaluated right to left