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Computer Science and Quiz Test for Preparation

41. The graph that shows basic blocks and their successor relationship is called
A. DAG
B. Flow graph
C. control graph
D. Hamiltonian graph

42. The specific task storage manager performs
A. allocation/ deallocation of storage to programs
B. protection of storage area allocated to a program from illegal access by other programs in the system
C. the status of each program
D. both ( a ) and ( b )

43. When a computer is first turned on or restarted, a special type of absolute loader is executed called
A. ” Compile and GO ” loader
B. Boot loader
C. Boot strap loader
D. Relating loader

44. Disadvantage of ” Compile and GO ” loading scheme is that
A. a portion of memory is wasted because the case occupied by the assembler is unavailable to the object program
B. it is necessary to retranslate the users program and check every time it is run
C. it is very difficult to handle multiple segments, especially if the source programs are in different languages and to produce orderly modular programs
D. all of these

45. Function of the storage assignment is
A. assign storage to all variables referenced in the source program
B. assign storage to all temporary locations that are necessary for intermediate results
C. assign storage to literals, and to ensure that the storage is allocated and appropriate locations are initialized
D. all of these

46. A non relocatable program is the one which
A. cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation
B. consists of a program and relevant information for its relocation
C. can itself perform the relocation of its address sensitive portions
D. all of these

47. A   relocatable program form is one which
A. cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation
B. consists of a program and relevant information for its relocation
C. can be processed to relocate it to a desired area of memory
D. all of these

48. A self-relocating program is one which
A. cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation
B. consists of a program and relevant information for its relocation
C. can itself perform the relocation of its address sensitive portions
D. all of these

49. In which of the following no information hiding is done ?
A. compile prog 1, prog 2
B. run test, prog
C. load R1 , A
D. 001001000010101

50. The identification of common sub-expression and replacement of run-time computations by compile-time computations is
A. local optimization
B. loop optimization
C. constant folding
D. data flow analysis