Which ACID property ensures all or nothing transaction completion?
Anonymous Quiz
31%
Consistency
14%
Isolation
11%
Durability
45%
Atomicity
Which memory area stores dynamically allocated data?
Anonymous Quiz
32%
Stack
32%
Heap
29%
Cache
7%
Register
Which JavaScript method converts JSON text into an object?
Anonymous Quiz
41%
JSON.parse()
21%
JSON.stringify()
13%
JSON.convert()
25%
JSON.object()
Which OSI layer handles logical addressing(IPs) & Inter-network routing?
Anonymous Quiz
30%
Transport Layer
63%
Network Layer
7%
Data Layer
0%
Application Layer
Which concurrency problem occurs when two threads each hold a resource the other needs, resulting in both waiting forever?
Anonymous Quiz
25%
Race condition
4%
Livelock
57%
Deadlock
14%
Starvation
What does 'git rebase' primarily achieve for commit history?
Anonymous Quiz
13%
Creates a new merge commit
31%
Reverts to a prior state
44%
Rewrites & linearizes commit history
11%
Cleans untracked files
In object-oriented programming, what is 'method overloading'?
Anonymous Quiz
9%
Redefining a parent method in a subclass
5%
Calling a method more times than intended
27%
Inheriting methods from multiple parent classes
59%
Multiple methods sharing a name but differing in parameters
What is the worst time complexity of QuickSort?
Anonymous Quiz
42%
O(n log n)
38%
O(nĀ²)
4%
O(n)
17%
O(log n)
In a relational database, which normal form specifically eliminates transitive dependencies?
Anonymous Quiz
10%
1NF
39%
2NF
32%
3NF
18%
BCNF
In compiler design, which phase is responsible for catching errors like using an undeclared variable?
Anonymous Quiz
18%
Lexical analysis
47%
Syntax analysis
35%
Semantic analysis
0%
Code generation
What does the 'L' in the SOLID principles stand for, and what does it require?
Anonymous Quiz
69%
Liskov Substitution: subclasses must be replaceable for their base class
12%
Loose Coupling: modules should depend on abstractions
15%
Layered Architecture: code must be layered
4%
Late Binding: all calls resolved at runtime