Institute of Information Science - University of Miskolc

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===== Midterm Exam Questions =====

Section A: Multiple Choice Questions (10 marks, Each = 1 mark)

- A computer can be defined as:
a) A mechanical device for simple calculations
b) An electronic device that processes and stores data
c) A machine for playing games
d) None of the above

- Which of the following is an input device?
a) Printer  
b) Mouse  
c) Projector  
d) Speaker

- The main function of the CPU is to:
a) Store data permanently
b) Perform arithmetic and logic operations
c) Display output on screen
d) Manage printers

- The motherboard primarily:
a) Displays results
b) Connects and communicates between hardware components
c) Runs antivirus software
d) Stores user data

- Which of the following is a type of storage device?
a) Monitor  
b) USB Flash Drive  
c) Keyboard  
d) Speaker

- The Arithmetic Logic Unit (ALU) performs:
a) Only data storage
b) Arithmetic and logical operations
c) Internet connections
d) Sound recording

- The Von Neumann principle is based on:
a) Hardware duplication
b) Separate storage for data and instructions
c) Shared storage for data and instructions
d) Parallel computing

- Which of the following is system software?
a) MS Excel  
b) VLC Media Player  
c) Windows 11  
d) Photoshop

- In binary arithmetic, 1 + 1 +1 equals:
a) 0  
b) 10  
c) 11  
d) 1

- The function used in Excel to count cells meeting a condition is:
a) SUMIF  
b) COUNTIF  
c) AVERAGE  
d) ROUND

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Section B: Short Answer / Problem Solving (10 marks, Each = 2 marks)

- List and briefly explain two main types of computer memory.

- Explain the difference between hardware and software with one example each.

- Describe the four basic components of a computer system as shown in the block diagram.

- Define the microprocessor and list its four main steps in instruction execution.

- What is a bus in computer architecture? Mention its three types.

- Differentiate between compiler and interpreter.

- Explain the five main functions of an Operating System.

- Convert the following binary number to decimal: (11010)₂ = ?

- Perform binary addition: 1011 + 1101 = ?

- In Microsoft Excel:
a) Write a formula to find the average of cells A1 through A5.
b) Write a SUMIF formula that adds values in B2:B10 where A2:A10 equals “Apples”.