System Software MCQ-9

1. The regular expression rs means ________ of r and s

(A) Addition
(B) Subtraction
(C) Concatenation
(D) None of these

2. A ________ is a unit of information consists of fixed syntax information.

(A) Template
(B) DFA
(C) FSA
(D) None of these

3. A programming enviornment has ________

(A) A debug monitor
(B) A dialog monitor
(C) Both A and B
(D) None of these

4. A _______ bridges an execution gap to the machine language of computer system.

(A) Language
(B) Translation
(C) Pre-processor
(D) Language migrator

5. A grammer is ambiguous if there exists :

(A) More than one parse tree
(B) Only one parse tree
(C) Both A and B
(D) None of the above

6. NFA produces different transitions from ______ inputs.

(A) Same
(B) Different
(C) Unknown
(D) All of the above

7. A compiler is a ______ software

(A) Application
(B) System
(C) Both
(D) None

8. ______ is not an example of editor

(A) Vi
(B) Notepad
(C) Emacs
(D) None of the above

9. Loaders are system programs that ______ language program for execution.

(A) High level
(B) Low level
(C) Middle level
(D) None of these

10. Assemblers automate the translation of assembly language into ______ language.

(A) High level
(B) Machine
(C) Both (a) and (b)
(D) None of these

11. Which is not a phase of compiler ?

(A) Lexical analysis
(B) Code optimization
(C) Code generation
(D) Static analysis

12. The ______ OS works with actual synchronization.

(A) Batch
(B) Quick Time system
(C) Real time system
(D) None of these

13. The ______ process a set of object modules and produce binary program.

(A) Loader
(B) Linker
(C) Both (a) and (b)
(D) None of these

14. ______ is the sorting of Assemblers.

(A) Radix
(B) Shell
(C) Interchange
(D) All of the above

15. Top down parsing is also known as ______

(A) LL
(B) LALR
(C) LR
(D) None of these