CSE 3901 - Midterm 1 Exam ||Verified Exam!!|| Most Recent Exam 2026 Actual Complete Real Exam Questions And Correct Answers (Verified Answers) Already Graded A+ | Newest Exam!!!

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CSE 3901 - Midterm 1 Exam ||Verified Exam!!|| Most
Recent Exam 2026 Actual Complete Real Exam
Questions And Correct Answers (Verified Answers)
Already Graded A+ | Newest Exam!!!


github: what is a repository? - Answer-a working tree +
store + index


github: what is a working tree? - Answer-the project itself


github: what is a store? - Answer-hidden directory (.git) in
root directory of working tree


User never accesses .git directly


Store records project development history


github: what is history? - Answer-DAG of commits
Each commit represents a complete snapshot of the
entire project

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github: what is an index? - Answer-virtual snapshot stored
in .git/index


github: what is a branch? - Answer-a pointer to a commit


github: command to create a new branch - Answer-git
branch nameOfBranch


github: change to branch titled 'fix' - Answer-git checkout
fix


github: add and commit changes to local store - Answer-git
add --all .
git commit


github: problem on slide 42 http://web.cse.ohio-
state.edu/~giles/3901/lectures/lecture02.pdf - Answer-
http://web.cse.ohio-
state.edu/~giles/3901/lectures/lecture02.pdf


ruby: what is the following range 0..4 - Answer-0, 1, 2, 3, 4

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ruby: what is the following range 0...4 - Answer-0, 1, 2, 3


ruby: what does the <=> operator do? - Answer-Returns -
1/0/1 if LHS is smaller/equal/larger than RHS


ruby: what does "cab" <=> "da" return? - Answer--1


ruby: what does "cab" <=> "ba" return? - Answer-1


i = 34
j = i # i and j are aliases
j = j + 1 # does this increment i too?
what is the value of i and j? - Answer-i = 34, j = 35


what does the following statement do?
i = 10
25.times { | i | puts i } - Answer-prints 0 to 24


ruby: write a statement that returns the length of your
name - Answer-"tania".length

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ruby: write a statement that reverses the word "exam" -
Answer-"exam".reverse


ruby: write a statement that prints "Tania" in uppercase -
Answer-puts "Tania".upcase


ruby: write a statement that prints "Tania" in lowercase -
Answer-puts "Tania".downcase


ruby: write a statement that asks for the users first name
and prints the result in the following format: Your first
name is (name). The name should be capitalized -
Answer-puts "What is your first name?"
name = gets.chomp
puts "Your first name is #{name.capitalize!}"


ruby: write a for loop that prints all even numbers between
1 and 20 - Answer-for i in 1..20
next if i % 2 != 0
puts i
end