34. What is the smallest negative number using 1's complement in a 64-bits computer?
(A)-2⁶³ 
(B)-(2⁶³-1)
(C) -2⁶⁴ 
(D) -(2⁶⁴-1)
(E) None of the above

30. Assuming that t is an array and tptr is a pointer to that array, which expression refers to the address of element 5 of the array? (A) *(tPtr+5) (B) tptr[5] (C) t+5 (D) *(t+5) (E) &t[5]

31. Which of the following network attacks is threatening integrity? (A) Man-in-the-middle (B) Denial of service (C) Packet sniffing (D) Keylogger (E) SYN Nlood attack

32. Which of the following is NOT a necessary condition for deadlock? (A) Circular wait (B) Convey effect (C) Hold and wait (D) Mutual exclusion (E) No preemption

33. Which one of the following operations is not performed by ALU (Arithmetic/Logic Unit) (A) AND (B) OR (C) Circular shift (D) Jump(E) Addition

35. The widest range of free software licenses available under license terms approved by the Free Software Foundation and the Open Source Software Community. Which of the following statements is inappropriate? (A) The GNU GPL can protect the rights of software publishers. (B) Guaranteed freedom for end users (individuals, organizations, businesses) to operate, learn and share.(C)Claim the copyright of the software, provide a license to give legal permission to copy, distribute and/or modify. (D) Guarantee that the end user cannot modify the software. (E) Claim the copyright of the software, provide a license to give legal permission to modify. 

36. Which of the following is an appropriate statement about the Python language? (A) The Object-oriented programming (OOP) is supported, and procedure-oriented programming (POP) is supported. (B) OOP is supported and the POP is not supported. (C) OOP is not supported and POP is supported. (D) OOP is not supported and POP is not supported. (E) None of the above

37. Which of the following statement about recursive functions is true? (A) for or while architectures are generally used (B) Fewer local variables than the equivalent nonrecursive routine (C) Used to reduce the execution time (D) Recursion is another name for iteration (E) None of the above

38. Given a row-major array A(i，j) is defined as -2 ≤ i ≤6, -6 ≤ j ≤ -2, where the location of A(2,-4) is 100 as the base address and the location of A(4,-3) is 122. Which of the following is the correct storage size for an element stored in the array?(A)1(B)2(C)3(D) 4 (E) None of the above

39. According to Amdahl's Law, what is the speedup gain for an application that is 60% parallel and we run it on a machine with 6 processing cores (compared to the machine with 1 core)? (A)1.2(B) 2 (C) 2.5 (D) 3.6 (E) 6

40. Given the relation below  what values will be retrieved by the following SQL statement?SELECT A, B FROM X WHERE X.B = x.C (A) 2,2 (B) 2,5 (C) 3,3 (D) 3.6 (E) 6.2