About Fundamentals of Computers / Introduction to Systems in Matric Computer Science
Fundamentals of Computers / Introduction to Systems is one of the 9 main chapters in our Federal Board Matric Computer Science question bank (9th class), and about 21% of its real questions come from it. Tayyari Karo has 66 real questions on this chapter from 2023 to 2026; 30 are multiple choice and marked instantly, and the rest are short and long questions with a model answer. By difficulty: 57 easy, 9 medium.
Work through the questions below, then open the explanation for each one. Redo the ones you missed a few days later.
Try 8 real questions
These are real past-paper questions. Think of your answer first, then open the explanation.
2026 Annual · 9th · Fundamentals of Computers / Introduction to Systems
Why is the ALU an important part of the CPU?
- It performs arithmetic and logical operations
- It manages memory
- It controls input devices
- It performs analogue linear operations
Show answer and explanation
Answer: A. It performs arithmetic and logical operations
The Arithmetic Logic Unit (ALU) is the CPU component that carries out all arithmetic and logical operations.
2025 1st Annual · 9th · Fundamentals of Computers / Introduction to Systems
Which of the following is responsible for carrying out calculations in a computer?
- CU
- CPU
- ALU
- MU
Show answer and explanation
Answer: C. ALU
The Arithmetic Logic Unit (ALU) is the part that performs arithmetic calculations and logical operations.
2025 1st Annual · 9th · Fundamentals of Computers / Introduction to Systems
In windows, commands are given, with the help of the:
- Keyboard
- Internet
- Screen
- CPU
Show answer and explanation
Answer: A. Keyboard
Commands/text and shortcuts are typed/given using the keyboard (along with the mouse).
2024 Annual · 9th · Fundamentals of Computers / Introduction to Systems
Computer is a combination of:
- Software only
- Hardware only
- Devices only
- Software and Hardware
Show answer and explanation
Answer: D. Software and Hardware
A computer system needs both physical hardware and the software (instructions) that runs on it to function.
2024 Annual · 9th · Fundamentals of Computers / Introduction to Systems
Which of the following bars is used to display the name of the document?
- Menu Bar
- Title Bar
- Status Bar
- Scroll Bar
Show answer and explanation
Answer: B. Title Bar
The Title Bar, at the very top of a window, shows the name of the open document/application.
2023 Annual · 9th · Fundamentals of Computers / Introduction to Systems
An operating system is a:
- System utility
- Application software
- System software
- Software package
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Answer: C. System software
The operating system manages hardware and software resources, so it is classed as system software.
2026 Annual · 9th · Fundamentals of Computers / Introduction to Systems
What is the main function of the Arithmetic Logic Unit (ALU)? Explain briefly.
Show model answer
The ALU (Arithmetic Logic Unit) is the part of the CPU responsible for performing all arithmetic operations (addition, subtraction, multiplication, division) and logical/comparison operations (AND, OR, NOT, greater-than, equal-to) on the data it receives from the Control Unit, producing the results needed to carry out a program's instructions.
2025 2nd Annual · 9th · Fundamentals of Computers / Introduction to Systems
Write any two characteristics of single user operating system.
Show model answer
(1) It allows only one user to access the computer's resources and run tasks at a time. (2) It is simple to use and requires fewer hardware resources than a multi-user OS (e.g. Windows on a personal computer).