Grade 9 Exam > Grade 9 Videos > Computer Science for Grade 9 > Computer System - 1
Computer System - 1 Video Lecture | Computer Science for Grade 9
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51 videos|44 docs|9 tests
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FAQs on Computer System - 1 Video Lecture - Computer Science for Grade 9
| 1. What is a computer system? |  |
A computer system is a combination of hardware and software components that work together to perform various tasks. It includes the physical components like the computer itself, input and output devices, storage devices, and the software that runs on it to control and coordinate the system's activities.
| 2. What are the main components of a computer system? | |
The main components of a computer system include the central processing unit (CPU), which is responsible for executing instructions and performing calculations, memory (RAM) for temporary storage of data and instructions, storage devices like hard drives or solid-state drives for long-term data storage, input devices like keyboards or mice to provide input to the computer, and output devices like monitors or printers to display or produce information.
| 3. How does a computer system execute instructions? | |
A computer system executes instructions through a process called the fetch-decode-execute cycle. First, the CPU fetches the next instruction from memory. Then, it decodes the instruction to understand what operation it needs to perform. Finally, it executes the instruction by performing the necessary calculations or operations and updates the appropriate registers or memory locations.
| 4. What is the role of the operating system in a computer system? | |
The operating system is a crucial component of a computer system. It acts as an intermediary between the user and the hardware, providing a user-friendly interface to interact with the system. It manages and coordinates the different hardware components, allocates system resources, controls access to files and devices, and ensures the overall stability and security of the system.
| 5. How does data storage work in a computer system? | |
Data storage in a computer system typically involves two types of storage: primary storage and secondary storage. Primary storage, also known as RAM, is used for temporary storage of data and instructions that the CPU needs to access quickly. Secondary storage, such as hard drives or solid-state drives, provides long-term storage for files, programs, and other data. Data is stored in binary format on these storage devices, using a series of 0s and 1s to represent information.
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Nov 24, 2024 Last updated |
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