Present perfect
1. Which sentence is in the present perfect tense?
a) She eats lunch at noon.
b) She has eaten lunch already.
c) She will eat lunch later.
b) She has eaten lunch already.
6. What is the primary key used for?
a) To store large amounts of data
b) To uniquely identify a record
c) To perform calculations
b) To uniquely identify a record
11. What is artificial intelligence?
a) The simulation of human intelligence by machines
b) A type of computer virus
c) A hardware component
a) The simulation of human intelligence by machines
16. What is the brain of a computer?
a) RAM
b) CPU
c) Hard Drive
b) CPU
21. What is an algorithm?
a) A step-by-step procedure to solve a problem
b) A programming language
c) A type of network
a) A step-by-step procedure to solve a problem
2. How do you form the present perfect?
a) Subject + has/have + past participle
b) Subject + was/were + verb-ing
c) Subject + will + verb
a) Subject + has/have + past participle
7. Which SQL command retrieves data from a table?
a) INSERT
b) SELECT
c) DELETE
b) SELECT
12. Which of these is a type of AI?
a) Machine Learning
b) USB Drive
c) Power Supply
a) Machine Learning
17. What is an SSD used for?
a) Storing data
b) Processing graphics
c) Controlling network traffic
a) Storing data
22. What does OOP stand for?
a) Object-Oriented Programming
b) Operational Output Processing
c) Online Optimization Protocol
a) Object-Oriented Programming
3. Which sentence is incorrect?
a) I have never been to Japan.
b) He has went to the store.
c) They have seen that movie before.
b) He has went to the store.
8. What does ACID stand for in databases?
a) Atomicity, Consistency, Isolation, Durability
b) Accuracy, Control, Integrity, Dependency
c) Association, Classification, Indexing, Data
a) Atomicity, Consistency, Isolation, Durability
13. What does NLP stand for in AI?
a) Neural Logical Processing
b) Natural Language Processing
c) Networked Learning Protocol
b) Natural Language Processing
18. Which of the following is an input device?
a) Monitor
b) Keyboard
c) Speaker
b) Keyboard
23. Which of these is a programming language?
a) HTML
b) Java
c) Photoshop
b) Java
4. Which adverb is commonly used with present perfect?
a) Yesterday
b) Yet
c) Next week
b) Yet
9. Which type of database stores data in tables?
a) Relational Database
b) NoSQL Database
c) Hierarchical Database
a) Relational Database
14. What is a neural network?
a) A database system
b) A set of interconnected algorithms that mimic the human brain
c) A hardware component
b) A set of interconnected algorithms that mimic the human brain
19. What does GPU stand for?
a) General Processing Unit
b) Graphics Processing Unit
c) Global Power Unit
b) Graphics Processing Unit
24. What does a compiler do?
a) Translates code into machine language
b) Manages system memory
c) Encrypts data
a) Translates code into machine language
5. What is the past participle of "write"?
a) Writed
b) Wrote
c) Written
c) Written
10. What is normalization in databases?
a) Removing redundant data
b) Adding duplicate records
c) Encrypting database tables
a) Removing redundant data
15. Which AI technique is used for pattern recognition?
a) Deep Learning
b) Binary Search
c) Data Encryption
a) Deep Learning
20. What is the function of RAM?
a) Store data permanently
b) Provide temporary memory for active tasks
c) Connect to the internet
b) Provide temporary memory for active tasks
25. What is recursion in programming?
a) A function calling itself
b) A loop in a database query
c) A type of hardware failure
a) A function calling itself