Applied reasoning: Which language is directly executed by a computer processor?
Choose an option to check your answer.
Correct Answer: D. Machine language
Explanation:
The processor executes machine instructions encoded in binary.
MCQ Collection
Pakistan MCQs
Practice Pakistan questions with answers and explanations.
Applied reasoning: What is the purpose of a compiler?
Choose an option to check your answer.
Correct Answer: A. Translate source code into another executable or lower-level form
Explanation:
A compiler translates source code before execution.
Applied reasoning: Which database key uniquely identifies a record?
Choose an option to check your answer.
Correct Answer: B. Primary key
Explanation:
A primary key uniquely identifies each table row.
Applied reasoning: What does URL identify?
Choose an option to check your answer.
Correct Answer: C. The address of a resource on a network
Explanation:
A URL locates a resource such as a web page.
Applied reasoning: Which protocol is commonly used to transfer web pages securely?
Choose an option to check your answer.
Correct Answer: D. HTTPS
Explanation:
HTTPS uses HTTP over encrypted transport.
Applied reasoning: What is recursion?
Choose an option to check your answer.
Correct Answer: A. A process in which a function calls itself on smaller instances
Explanation:
Recursion solves a problem through smaller self-similar calls and a base case.
Applied reasoning: Which search method repeatedly halves a sorted search range?
Choose an option to check your answer.
Correct Answer: B. Binary search
Explanation:
Binary search compares with the middle element and halves the remaining range.
Applied reasoning: What is a variable in programming?
Choose an option to check your answer.
Correct Answer: C. A named storage location for a value
Explanation:
A variable associates a name with data that a program can use or change.
Applied reasoning: Which data structure follows first-in, first-out order?
Choose an option to check your answer.
Correct Answer: D. Queue
Explanation:
A queue removes elements in the order they were inserted.
Applied reasoning: Which data structure follows last-in, first-out order?
Choose an option to check your answer.
Correct Answer: A. Stack
Explanation:
A stack removes the most recently inserted element first.
Concept check: Which search method repeatedly halves a sorted search range?
Choose an option to check your answer.
Correct Answer: A. Binary search
Explanation:
Binary search compares with the middle element and halves the remaining range.
Concept check: What is a variable in programming?
Choose an option to check your answer.
Correct Answer: B. A named storage location for a value
Explanation:
A variable associates a name with data that a program can use or change.