Compilers Questions and Answers – SDT Schemes to Specify Translation of various Programming Language Construct – 2

This set of Compilers Questions and Answers for Campus interviews focuses on “Sdt Schemes to Specify Translation of Various Programming Language Construct – 2 “.

1. In which addressing mode the operand is given explicitly in the instruction?
a) Absolute mode
b) Immediate mode
c) Indirect mode
d) Index mode
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2. Which of the following is not true?
a) UGL doesn’t support high level seven interaction
b) Many DBMS support 4GLs
c) All of the mentioned
d) None of the mentioned
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3. Non modifiable procedures are called ___________
a) Concurrent procedures
b) Serially usable procedures
c) Re-entrant procedures
d) Top down procedures
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4. Which of the following is not a type of assembler?
a) One pass
b) Two pass
c) Three pass
d) Load and go
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5. Daisy chain is a device for ___________
a) None of the mentioned
b) Connecting devices to a controller
c) Connecting controller to devices
d) All of the mentioned
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6. What is the input of Lex?
a) Set to regular expression
b) Statement
c) Numeric data
d) ASCII data
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7. Yacc semantic action is a sequence of ___________
a) Tokens
b) Expression
c) Statement
d) Rules
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8. Which of the following software tool is parser generator?
a) Lex
b) Yacc
c) Lex & Yacc
d) None of the mentioned
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9. A Lex compiler generates ___________
a) Lex object code
b) Transition tables
c) Tokens
d) None of the mentioned
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10. A Compiler has __________ phases.
a) 7
b) 6
c) 8
d) None of the mentioned
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