What is the significance of the control unit in the fetch-decode-execute cycle?
- Performs arithmetic operations
- Manages program instructions
- Stores data in memory
- Executes graphics rendering
How many instructions per second can a 2GHz dual-core CPU process?
- 2 billion
- 4 billion
- 6 billion
- 8 billion
How does CPU cache contribute to improving processing speed?
- Slows down data access
- Increases storage capacity
- Temporarily stores frequently accessed data for quicker retrieval
- Executes graphical operations
What role do speakers play in a computer system?
- Input sound data
- Display visual information
- Output audio information
- Input text information
Which of the following statements about embedded systems is true?
- They are cheap to manufacture
- They have a large amount of primary storage
- They have a large amount of secondary storage
- They have a fast internal processor
What is the primary function of an output device?
- Receive user input
- Provide information to the user
- Store data temporarily
- Process calculations
Which of the following is considered an input device?
- Printer
- Monitor
- Keyboard
- Speakers
Which type of memory stores frequenty-used instructions and data?
- Solid state
- Random Access Memory
- Read Only Memory
- Cache
Which architecture allows instructions and data to share the same memory in the fetch-decode-execute cycle?
- RISC architecture
- CISC architecture
- Harvard architecture
- Von Neumann architecture
How is CPU clock speed measured?
- Megabytes
- Gigaflops
- Terahawks
- Hertz
