31. Which
of the statements related to Compilers is wrong ?
(A) Lexical analysis is breaking the input
into tokens
(B) Syntax analysis is for parsing the phrase
(C) Syntax analysis is for analyzing the
semantic
(D) None of these
Answer: C
32. Which
of the following is the most general phase - structured grammar ?
(A) Regular (B)
Context – Sensitive
(C) Context free (D) None of these
Answer: B
33. Which
activity is not included in the first pass of two pass assemblers ?
(A) Build the symbol table
(B) Construct the machine code
(C) Separate mnemonic opcode and operand
fields.
(D) None of these
Answer: D
34. The
dynamic binding occurs during the:
(A) Compile time (B) Run time
(C) Linking time (D) Pre-processing time.
Answer: B
35. Symbol
Table can be used for:
(A) Checking type compatibility
(B) Suppressing duplication of error message
(C) Storage allocation
(D) All of these
Answer: D
36. Moving
Process from main memory to disk is called:
(A) Caching (B)
Termination
(C) Swapping (D)
Interruption
Answer: C
37. The
principle of Locality of reference justifies the use of:
(A) Virtual memory (B) Interrupts
(C) Cache memory (D) Secondary memory
Answer: C
38. Bankers
algorithm is for.
(A) Dead lock Prevention
(B) Dead lock Avoidance
(C) Dead lock Detection
(D) Dead lock creation
Answer: B
39. Which
is the correct definition of a valid process transition in an operating system ?
(A) Wake up : Ready → Running
(B) Dispatch : Ready→ Running
(C) Block : Ready → Running
(D) Timer run out : Ready → Blocked
Answer: B
40. Which
of the following is not an Unix Command ?
(A) Whoami (B)
wc
(C) ls (D)
put
Answer: D
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