Questions and Answers
What are the three main parts of the CPU?
Arithmetic Logic Unit (ALU), Control Unit, Registers
Which type of software is developed for specific company requirements?
Contract Software
What does Application Software include?
Programs that do real work for users
What is the main function of the Input and Output in a computer system?
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What is the purpose of Registers in a computer system?
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Study Notes
CPU Components
- The three main parts of the CPU are: Control Unit, Arithmetic Logic Unit (ALU), and Registers
- The Control Unit retrieves and decodes instructions, generates control signals, and manages data transfer
- The Arithmetic Logic Unit (ALU) performs mathematical and logical operations
- Registers are small amounts of on-chip memory that store data temporarily while it is being processed
Custom Software
- Software developed for specific company requirements is called Custom Software or Tailored Software
- It is designed to meet the unique needs and requirements of a particular organization
Application Software
- Application Software includes programs that perform specific tasks or functions for users
- Examples include: Microsoft Office, Adobe Photoshop, Web browsers, and Games
Input and Output
- The main function of Input and Output in a computer system is to allow users to interact with the computer and view results
- Input devices allow users to enter data, instructions, and commands
- Output devices display the results of processing, such as text, images, and sounds
Registers
- The purpose of Registers in a computer system is to store data temporarily while it is being processed
- Registers are small amounts of on-chip memory that are faster and more efficient than main memory
- They enable the CPU to quickly access and manipulate data during processing
