Operating Systems Concepts – Section 4

41. Access time is the highest in the case of

A. floppy disk
B. cache
C. swapping devices
D. magnetic disk
E. None of the above

Correct Answer: D. magnetic disk

42. Which of the following is not a characteristic of a daisy chaining priority control scheme?

A. priority is programmable
B. it is relatively easy to add more devices to the chain
C. the failure of one device may affect other devices on the chain
D. the number of control lines is independent of the number of devices on the chain
E. None of the above

Correct Answer: A. priority is programmable

43. Assembler is

A. a program that places programs into memory and prepares them for execution.
B. a program that automate the translation of assembly language into machine language.
C. a program that accepts a program written in a high level language and produces an object program.
D. is a program that appears to execute a source program as if it were machine language.
E. None of the above

Correct Answer: B. a program that automate the translation of assembly language into machine language.

44. Indicate which, of the following, in not true about an interpreter

A. Interpreter generates an object program from the source program
B. Interpreter is a kind of translator
C. Interpreter analyses each source statement every time it is to be executed
D. All of the above
E. None of the above

Correct Answer: A. Interpreter generates an object program from the source program

45. Object modules generated by assemblers that contain unresolved external references are resolved for two or more object modules by a/an

A. operating system
B. loader
C. linker
D. compiler
E. None of the above

Correct Answer: C. linker

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