Questions and Answers
What is hardware in the context of computer systems?
Physical components of a computer system
What is software in the context of computer systems?
Set of instructions for computer operation
What is the Von Neumann architecture?
Design architecture for an electronic digital computer
Why is hardware termed 'hard'?
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How is software different from hardware?
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Study Notes
Computer Systems Components
- Hardware: Physical components of a computer system that can be touched and seen, such as central processing units (CPUs), memory devices, input/output devices, and storage devices.
Software in Computer Systems
- Software: Intangible programs or operating systems that tell hardware what to do, including applications, utilities, and programming languages.
Von Neumann Architecture
- Von Neumann Architecture: A design model for computer systems that separates stored programs and data, featuring a central processing unit (CPU), memory, and input/output devices, which enables computers to perform tasks efficiently and accurately.
Origins of 'Hardware' and 'Software' Terms
- Hardware termed 'hard': Because physical components are difficult to change or modify once manufactured, hence the term 'hard' to distinguish them from easily modified software.
Differences between Hardware and Software
- Hardware vs. Software: Hardware is physical and tangible, whereas software is intangible and consists of programs and operating systems that instruct hardware on what to do.
- Modification and Update: Hardware is difficult to change or modify, whereas software can be easily updated, modified, or replaced.
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