CSE 3901 MIDTERM EXAM 1
2026 EXAM 220 QUESTIONS
AND EXPERT VERIFIED
ANSWERS GUARANTEED A+
Git Repository - ANSWER- working tree + store + index
Git Working Tree - ANSWER- project itself
Ordinary directory with files & subdirectories
Git Store - ANSWER- history of project
Git Index - ANSWER- virtual snapshot
,Gateway for moving changes in the working tree into the store
Git History - ANSWER- DAG of commits
Each commit represents a complete snapshot of the entire project
Git Revision - ANSWER- Just the manual editing of the file
Git Commit - ANSWER- updates head and branch (permanent)
identified by a hash
Git Branch - ANSWER- a pointer to a commit
how to add git branch - ANSWER- git branch branchname
git checkout branchname
how to change git branch - ANSWER- git checkout branchname
Git Head - ANSWER- a pointer to a branch
(where you're at)
,Git Add - ANSWER- adds the submission
how to add (all steps) - ANSWER- git add name.rb
git commit -m "comment"
git push remote_name branch_name
Git Checkout - ANSWER- moves head to look at another branch
Git Merge - ANSWER- brings two together, adds new commit
Git Fast-Forward Merge - ANSWER- bring old into new head
Git Fetch - ANSWER- bring in commits that given user lacks
Git Push - ANSWER- opposite to fetch. Give someone a change
Git Pull - ANSWER- combines fetch and merge
Git No Conflict Merge - ANSWER- Automatically commits
Distributed version control - ANSWER- Multiple people, distributed
across network
, - each person has their own repository
- units of data movement: changesets
Number of repositories per team - ANSWER- n+1.
1 shared, 1 local for each
Discard Changes in Git : reset - ANSWER- git reset --hard
git clean --dry-run
git clean --force
Discard Commit in Git : reset - ANSWER- git reset --hard HEAD~1
Strongly Typed Language - ANSWER- Classes determine valid
operations
Interpreted Program - ANSWER- Run a program directly, without
compiling
pro:
platform independence
read-eval-print loop (REPL)
reflection
con:
2026 EXAM 220 QUESTIONS
AND EXPERT VERIFIED
ANSWERS GUARANTEED A+
Git Repository - ANSWER- working tree + store + index
Git Working Tree - ANSWER- project itself
Ordinary directory with files & subdirectories
Git Store - ANSWER- history of project
Git Index - ANSWER- virtual snapshot
,Gateway for moving changes in the working tree into the store
Git History - ANSWER- DAG of commits
Each commit represents a complete snapshot of the entire project
Git Revision - ANSWER- Just the manual editing of the file
Git Commit - ANSWER- updates head and branch (permanent)
identified by a hash
Git Branch - ANSWER- a pointer to a commit
how to add git branch - ANSWER- git branch branchname
git checkout branchname
how to change git branch - ANSWER- git checkout branchname
Git Head - ANSWER- a pointer to a branch
(where you're at)
,Git Add - ANSWER- adds the submission
how to add (all steps) - ANSWER- git add name.rb
git commit -m "comment"
git push remote_name branch_name
Git Checkout - ANSWER- moves head to look at another branch
Git Merge - ANSWER- brings two together, adds new commit
Git Fast-Forward Merge - ANSWER- bring old into new head
Git Fetch - ANSWER- bring in commits that given user lacks
Git Push - ANSWER- opposite to fetch. Give someone a change
Git Pull - ANSWER- combines fetch and merge
Git No Conflict Merge - ANSWER- Automatically commits
Distributed version control - ANSWER- Multiple people, distributed
across network
, - each person has their own repository
- units of data movement: changesets
Number of repositories per team - ANSWER- n+1.
1 shared, 1 local for each
Discard Changes in Git : reset - ANSWER- git reset --hard
git clean --dry-run
git clean --force
Discard Commit in Git : reset - ANSWER- git reset --hard HEAD~1
Strongly Typed Language - ANSWER- Classes determine valid
operations
Interpreted Program - ANSWER- Run a program directly, without
compiling
pro:
platform independence
read-eval-print loop (REPL)
reflection
con:
