List of top Computer Science & Information Technology Questions

KLOC is a metric for
Which software process model has sprints and scrum meetings?
Which design concept allows internal code change without affecting the behaviour?
Which of the following scheme helps to provide nonrepudiation?
How many keys are used in common legacy Triple DES algorithm of cryptography?
The set of functions of Data Link Layer are
Which among the following is an interior gateway routing protocol?
In Cryptography, Caesar cipher is a
Match the devices to the OSI layer in which they operate.
What is the motivation for concurrent execution of database transaction?
Consider two tables R and S with cardinalities \(m\) and \(n\) respectively. What is the maximum cardinality of the result of relational algebraic operation \(R \cup S\)?
What is the maximum size of TCP header?
Which SQL clause is used to apply conditions on groups?
Which OSI layer operates Hypertext Transfer Protocol (HTTP)?
Which algorithm controls congestion?
Which file organization is preferred for only insertion operations?
Choose a recovery mechanism from the following:
Which among the following is a multilevel indexing technique?
Which normal form is based on the concept of multivalued dependency?
Which DBMS component handles disk space allocation?
What is the notation for class hierarchies in ER diagrams?
A solution to the critical section problem should satisfy three requirements. Choose the correct set from the following: \[ \text{I. Mutual Exclusion} \] \[ \text{II. Progress} \] \[ \text{III. Hold and Wait} \] \[ \text{IV. Circular Wait} \] \[ \text{V. Bounded Waiting} \]
Choose a procedural language from the following
Consider a disk queue with requests for I/O to blocks on cylinders as 98, 183, 37, 122, 14, 124, 65, 67 and head starts at 53. What are the total head movements for FCFS and SSTF algorithms?
What is the major problem with priority scheduling algorithm?