Unit 1: Computer Systems

2. Which unit of CPU performs arithmetic operations?

3. Which memory is fastest?

4. Amina is learning about the components of a computer system. She identifies the CPU as the brain. Which part of the CPU performs arithmetic and logic operations?

5. Which type of computer memory is volatile, meaning its contents are erased when the computer is powered off?

6. In which mode of data transmission can data flow in both directions, but only one direction at a time?

7. Mr. Ahmed is teaching his students about the history of computers. He asks about the technology used in second-generation computers. Based on the textbook, what should the students answer?

8. Nora is learning about the history of computers and reads that the first microprocessors were developed in the 1970s. Which generation of computers does this belong to?

9. Which component stores data temporarily?

10. Who is known as the father of the computer?

11. Which bus is used by the CPU to transfer actual data to and from the main memory?

12. Which software is used to perform specific tasks?

13. Omar is building a new PC and is deciding between 8GB and 16GB of RAM. His friend tells him that RAM is volatile. According to the textbook, what does 'volatile' mean in the context of memory?

14. Samer is studying the core components of a computer system. He wants to know which component is often referred to as the 'brain' of the computer. Based on the textbook, which component is it?

15. Mariam is reading about data transmission modes. She understands that full-duplex allows simultaneous two-way communication. Which scenario represents full-duplex transmission?

16. A system is best defined as:

17. A set of parallel electrical wires used to transfer data between different components of a computer is called a:

18. Which component of the CPU is responsible for performing arithmetic and logical operations?

19. Which memory stores frequently used data?

20. Which component temporarily holds instructions during execution?