System Programming(Computer Science ) Questions and answers for exam Preparation

Question 1. The

Compiler
Linker
Debugger
Loader

Explanation:-

Answer: Option D. -> Loader

Question 2. Which activity is not included in the first pass of two pass assembler?

build the symbol table
construct the intermediate code
separate mnemonic opcode and operand field
none of these

Explanation:-

Answer: Option D. -> none of these

Question 3. A program P calls two subprograms P1 and P2

50%
60%
10%
70%

Explanation:-

Answer: Option D. -> 70%

Question 4. Loading operating system from secondary memory to primary memory is called

Compiling
Reassembling
Refreshing
Booting

Explanation:-

Answer: Option D. -> Booting

Question 5. When a language has the capability to produce new data types, it is said to be:

extensible
encapsulated
overloaded
None of these

Explanation:-

Answer: Option A. -> extensible

Question 6. A compiler for a high level language that runs on one machine and produces code for a different machine is called:

Optimizing
One pass compiler
Multipass compiler
Cross compiler

Explanation:-

Answer: Option D. -> Cross compiler

Question 7. The scheme of which interpreter translates the source program is known as

Paragraph by paragraph
Instruction by instruction
Line by line
Both A & B

Explanation:-

Answer: Option C. -> Line by line

Question 8. In two pass assembler the symbol table is used to store:

Label and value
Only value
Mnemonic
Memory Location

Explanation:-

Answer: Option D. -> Memory Location

Question 9. Object code is the output of ……………

Operating System
Compiler or Assembler
only Assembler
None of these

Explanation:-

Answer: Option B. -> Compiler or Assembler

Question 10. Peep-hole optimization is a form of:

loop optimization
local optimization
constant folding
Both A & B

Explanation:-

Answer: Option C. -> constant folding