NEW
Font size
WorksheetsITS1103: CHAPTER 2-System Unit
Total questions: 15
Worksheet time: 11mins
What does data representation refer to?
How information is stored and processed in a computer system
How data is input into a computer
How data is output from a computer
How data is processed by the CPU
What is the foundation of all computing processes?
Octal system
Hexadecimal system
Decimal system
Binary system
What is the smallest unit of data in computing?
Bit
Byte
Kilobyte
Megabyte
What is the function of the Control Unit in the CPU?
Stores frequently accessed data
Performs arithmetic and logical operations
Directs the operations of the CPU
Provides power to the CPU
What is measured in GHz to indicate the CPU's speed?
Clock Speed
RAM
Core Count
Cache Memory
What type of memory is used to store data and instructions currently in use?
Registers
Random Access Memory
Read Only Memory
Cache Memory
What is the main circuit board that connects all components of the computer?
Motherboard
Expansion Cards
Cooling Systems
Power Supply Unit
What is the purpose of Expansion Cards in a computer?
Provide extra functionality like graphics and sound
Convert electrical power for components
Store firmware and system software
Maintain optimal operating temperatures
What is essential for maintaining optimal operating temperatures for computer components?
Cooling Systems
Expansion Cards
Power Supply Unit
Motherboard
What is the function of the Arithmetic Logic Unit in the CPU?
Provides power to the CPU
Stores frequently accessed data
Directs the operations of the CPU
Performs arithmetic and logical operations
What type of memory is non-volatile and stores firmware and system software?
Read Only Memory
Random Access Memory
Cache Memory
Registers
What is the purpose of Cache Memory in a computer?
Performs arithmetic and logical operations
Stores data and instructions currently in use
Stores copies of frequently accessed data from RAM
Directs the operations of the CPU
What is the structure that uses different types of memory based on speed and size?
Memory Hierarchy
Topic Learning Outcomes
CPU Performance Factors
Data Representation Format
What is the function of the PSU in a computer?
Converts electrical power from an outlet for components
Connects all components of the computer
Provides extra functionality like graphics and sound
Maintains optimal operating temperatures
What is the purpose of Registers in the CPU?
Small, fast storage locations to hold data and instructions temporarily
Stores frequently accessed data
Performs arithmetic and logical operations
Directs the operations of the CPU
