A:-top-down parsers
B:-bottom-up parsers
C:-both top-down and bottom-up parsers
D:-None of the above
Correct Answer:- Option-B
Question57:-Consider the following grammar:
5-856/0
BA-AB
80-00
Ab-ab
Aa-aa
Which of the following sentences can be derived by the above grammar?
കക
B:-abcc
C:-abbe
D:-abe
Correct Answer:- Option-D
Question58:-Which of the following is an intermediate language?
A:-UNCOL
B:-PASCAL
C:-COBOL
D:-SNOBOL
Correct Answer:- Option-A
Question59:-If an input file named "Test" is given to Lex, then its output file will be
A:-Test.lex
B:-Test.obj
C:-Test.out
D:-Testyy.c
Correct Answer:- Option-D
Question60:-The Banker's algorithm is used
A:-to detect deadlock in operating system
B:-to rectify a deadlocked state
C:-to prevent deadlock in operating system
D:-None of the above
Correct Answer:- Option-C
Question61:-In the Internet Protocol{IP) suit of protocols, which of the following best describes the purpose of the Address
Resolution Protocol?
A:-To translate web addresses to host names
B:-To determine the IP address of a given host name
C:-To determine the hardware address of a given host name
D:-To determine the hardware address of a given IP address
Correct Answer:- Option-D
Question62:-Given the basic ER and relational models, which of the following is incorrect?
A:-An attribute of an entity can have more than one value
B:-An attribute of an entity can be composite
C:-In a row of a relational table, an attribute can have more than one value
D:-In arow of a relational table, an attribute can have exactly one value or a NULL value
Correct Answer:- Option-C
Question63:-If a relation scheme is in BCNF, then it is also in
கா
B:-2NF
C:-3NF
D:-both (1) and (2)
Correct Answer:-Question Cancelled
Question64:-Communication circuits that transmit data 17 both directions but not at the same time are operating in
A:-simplex mode
B:-half duplex mode
C:-full duplex mode
D:-asynchronous mode
Correct Answer:- Option-B