Computer Science and Information Technology
2021 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE CSE 2021 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 25–27 of 65. Imported answers require review unless explicitly marked reviewed.
Question 15
Open questionCSMSQ1 markNeeds review
Consider a linear list based directory implementation in a file system. Each directory is a list of nodes, where each node contains the file name along with the file metadata, such as the list of pointer to the data blocks. Consider a given directory foo. Which of the following operations will necessarily require a full scan of foo for successful completion?
Your answerSelect all correct options. You can choose more than one.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 16
Open questionCSNAT1 markNeeds review
In an undirected connected planar graph
, there are eight vertices and five faces. The number of edges in
is ________.Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 17
Open questionCSNAT1 markNeeds review
Consider the following undirected graph with edge weights as shown:

The number of minimum-weight spanning trees of the graph is ________.
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer