36. A critical region is

A. a program segment that has not been proved bug-free
B. a program segment that often causes unexpected system crashes
C. a program segment where shared resources are accessed
D. one which is enclosed by a pair of P and V operations on semaphores
E.  none is the above

37. Assembler language

A. is usually the primary user interface
B. requires fixed-format commands
C. is a mnemonic form of machine language
D. is quite different from the SCL interpreter
E. None of the above

38. The primary job of the operating system of a computer is to

A. command resources
B. manage resources
C. provide utilities
D. be user friendly
E. None of the above

39. Which of the following is a measure to test how good or bad a modular design is

A. Module strength
B. Module coupling
C. Static analysis
D. All of the above
E. None of the above

40. The Operating system manages

A. Memory
B. Processor
C. Disks and I/O devices
D. All of the above
E. None of the above