List of practice Questions

Evaluate the postfix expression: \[ 24 \; 5 \; 7 \; \; 5 \; / \; + \]
STACK follows __________ principle, where insertion and deletion is from __________ end/ends only.
Given a scenario: Suppose there is a web-server hosting a website to declare results. This server can handle a maximum of 100 concurrent requests to view results. So, as to serve thousands of user requests, a __________ would be the most appropriate data structure to use.
To perform enqueue and dequeue efficiently on a queue, which of the following operations are required?
A) isEmpty
B) peek
C) isFull
D) update
Identify the correct place where we have to use repeaters.
In MAC address, Organisational Unique Identifier (OUI) consists of __________.
__________ operation is used to get the common tuples from two relations.
Identify the correct IP address from the options given:
Arrange the following Python code segments in order with respect to exception handling: (A) except ZeroDivisionError:
\hspace{0.5cm} print("Zero denominator not allowed")
(B) finally:
\hspace{0.5cm} print("Over and Out")
(C) try:
\hspace{0.5cm} n = 50
\hspace{0.5cm} d = int(input("enter denominator"))
\hspace{0.5cm} q = n/d
\hspace{0.5cm} print("division performed")
(D) else:
\hspace{0.5cm} print("Result=", q)
__________ is the process of transforming data or an object in memory (RAM) to a stream of bytes called byte streams.
Identify the correct code to read data from the file \texttt{notes.dat} in a binary file:
Identify the correct python statement to open a text file \texttt{"data.txt"} in both read and write mode.
A __________ value is specified for the column, if no value is provided.
Given table 'StudAtt' with structure as (Rno, Attdate, Attendance). Identify the suitable command to add a primary key to the table after creation.
Note: We want to make both Rno and Attdate columns as primary key.
The SELECT command when combined with DISTINCT clause is used to:
____________________________________ is used to search for a specific pattern in a column.
Match List-I with List-II:
List-I (Aggregate function)List-II (Description)
(A) count(marks)(III) Count all non null values of marks column
(B) count()(I) Count all rows
(C) avg(marks)(II) Finding average of non null values of marks
(D) sum(marks)(IV) Finding sum of all marks
Given Relation: \texttt{STUDENT} \begin{center} \begin{tabular}{|c|c|c|} \hline SNO & SNAME & MARKS
\hline 1 & Amit & 20
2 & Karuna & 40
3 & Kavita & NULL
4 & Anuj & 30
\hline \end{tabular} \end{center} Find the value of: \begin{verbatim} SELECT AVG(MARKS) FROM STUDENT; \end{verbatim}
The plays written by Girish Karnad are....
(A) Tuglak
(B) Yayati
(C) Nagamandala
(D) Hayavadana
Choose the correct answer from the options given below:
Who is the most notable and celebrated 20th century Russian dramatist?
The sequence of making a performance is
(A) Public performance
(B) Technical run-through
(C) Blocking
(D) Rehearsals
Choose the correct answer from the options given below:
Who has written the play 'The King of the Dark Chamber' (Raja)?
Identify the relational algebra operation denoted by: \[ \text{Course X Student;} \] where 'Course' and 'Student' are two relations and X is an operation.
Given two relations:

Employee with structure as (ID, Name, Address, Phone, Deptno)
Department with structure as (Deptno, Dname)
__________ is used to represent the relationship between two relations Employee and Department.
The play 'Medea' is written by...