System Software MCQ-5

1. The ________ maintains an internal form which is used to perform the edit operation.

(A) Editor
(B) Loader
(C) Linker
(D) Assembler

2. A special class of structure editors, called ________ editors, are used in programming environments.

(A) Syntax
(B) Syntax directed
(C) Line
(D) Stream

3. Syntax analysis is also called :

(A) Scanning
(B) Parsing
(C) Analysis
(D) Debugging

4. YACC Stands For

(A) Yet-Another-Compiler-Compiler
(B) Yet-Another-Computer-Compiler
(C) Yet-Among-Control-Compiler
(D) Yet-Among-Computer-Control

5. The most powerful perser is :

(A) SLR
(B) LALR
(C) Canonical LR
(D) Operator-Precedence

6. ________ is the process of modifying the addresses used in the address sensitive instruction of a program.

(A) Program relocation
(B) Program
(C) Program location
(D) None of the above

7. Which key uses a quick exit from the data mode?

(A) Tab
(B) Delete
(C) Escape
(D) Control

8. Which is not a function of a loader ?

(A) Allocation
(B) Translation
(C) Relocation
(D) Loading

9. System programs such as compiler are designed as that are

(A) Re-enterable
(B) Non-enterable
(C) Serially usable
(D) Recursive

10. Recursive descent parsing is an example of

(A) Top down parsing
(B) Bottom up parsing
(C) Predictive Parsing
(D) None of these

11. Type checking is normally done during

(A) Lexical analysis
(B) Syntax analysis
(C) Syntax directed analysis
(D) Code optimization

12. context-free grammar (CFG) can be recognized by

(A) Finite state automata
(B) Two way linear bounded automata
(C) Push down automata
(D) Both (b) and (c)

13. ________ is not phase of compiler

(A) Syntax analysis
(B) Lexical analysis
(C) Code generation
(D) Error correction

14. Resolution of externally defined symbols is performed by

(A) Linker
(B) Loader
(C) Compiler
(D) Editor

15. The translator which perform macro expansion is called a

(A) Macro processor
(B) Macro pre-processor
(C) Micro pre-processor
(D) Assembler