DataBase
A new indexing technique ______ (introduce) to optimize queries, and it ______ (should/use) in large databases.
a) has been introduced / should be used
b) was introduced / can use
c) have introduced / must be using
a) has been introduced / should be used
Several ethical concerns ______ (raise) about AI, and stricter regulations ______ (may/implement) soon.
a) have been raised / may be implemented
b) has been raised / must implement
c) were raised / could implement
a) have been raised / may be implemented
Many programming languages ______ (update) recently, and new features ______ (can/implement) to improve performance.
a) have been updated / can be implemented
b) were updated / could implemented
c) has been updated / must implement
a) have been updated / can be implemented
If a new grammar rule ______ (introduce) in the future, it ______ (have to/learn) by all students.
a) is introduced / will have to be learned
b) has been introduced / must be learned
c) was introduced / should learn
a) is introduced / will have to be learned
A new type of processor ______ (design) for faster computations, and it ______ (must/test) before mass production.
a) has been designed / must be tested
b) was designed / should test
c) have been designed / can testing
a) has been designed / must be tested
Which statement about foreign keys is correct?
A) A foreign key uniquely identifies each record in a table
B) A foreign key links records between two tables
C) A foreign key allows duplicate primary keys in a table
B) A foreign key links records between two tables
Which of the following best describes machine learning?
A) A set of predefined rules that a computer follows
B) A system that learns from data to improve performance over time
C) A process where a human directly programs all possible actions
B) A system that learns from data to improve performance over time
What is the purpose of a function in programming?
A) To store data permanently
B) To perform a specific task and return a result
C) To display content on a screen only
B) To perform a specific task and return a result
Which sentence expresses obligation?
A) You must finish the report by tomorrow.
B) You might finish the report by tomorrow.
C) You can finish the report by tomorrow.
A) You must finish the report by tomorrow.
Which component is responsible for executing most calculations in a computer?
A) CPU (Central Processing Unit)
B) Hard Drive
C) Power Supply Unit (PSU)
A) CPU (Central Processing Unit)
Which of the following is NOT a relational database?
A) MySQL
B) MongoDB
C) PostgreSQL
B) MongoDB
Which is a type of learning in AI?
A) Supervised learning
B) Accelerated learning
C) Interactive learning
A) Supervised learning
Which of the following protocols is used to send emails?
A) SMTP
B) FTP
C) DHCP
A) SMTP
Which of these sentences is a correct example of the zero conditional?
A) If you heat water, it boils.
B) If she studied, she would pass.
C) If you will go, tell me.
A) If you heat water, it boils.
Which of the following components stores data permanently?
A) RAM
B) SSD
C) Cache
B) SSD
Which of these statements belongs to DDL in SQL?
a) CREATE TABLE students ( id INT NOT NULL, name VARCHAR(40), PRIMARY KEY (id));
b) DELETE FROM teachers WHERE id = 100;
c) SELECT * FROM products ORDER BY date_i;
a) CREATE TABLE students ( id INT NOT NULL, name VARCHAR(40), PRIMARY KEY (id));
Which of the following frameworks is not used for IA?
a) TensorFlow
b) Pandas
c) Kivy
c) Kivy
In Java, Which of the following statements is a non-primitive data type?
a) int my_num = 1902;
b) Dog my_dog = new Dog(“Ben”);
c) boolean conex = true;
b) Dog my_dog = new Dog(“Ben”);
Which of the following statements is in Present Perfect?
a) Hi, I like ice cream.
b) We had play all the story mode of mortal kombat
c) I have just seen her dog.
c) I have just seen her dog.
Which of the following components contains a control unit, arithmetic-logic unit and memory unit?
a) RAM Memory
b) Microchip atmega328p
c) CPU
c) CPU