Computer System
Karnataka Board · Class 11 · Computer Science
Flashcards for Computer System — Karnataka Board Class 11 Computer Science. Quick Q&A cards covering key concepts, definitions, and formulas.
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What is a computer system and what are its main components?
Answer
A computer system is a computer along with additional hardware and software that work together as a single unit. Main components include: (1) Central Processing Unit (CPU) - the brain that processes d…
What are the two main components of CPU and their functions?
Answer
The CPU has two main components: (1) Arithmetic Logic Unit (ALU) - performs all arithmetic operations (addition, subtraction) and logical operations (AND, OR, NOT) as per program instructions, and (2)…
Arrange the memory units in ascending order: TB, KB, GB, MB, PB
Answer
In ascending order: KB (Kilobyte) < MB (Megabyte) < GB (Gigabyte) < TB (Terabyte) < PB (Petabyte). Each unit is 1024 times the previous unit. For example: 1 KB = 1024 Bytes, 1 MB = 1024 KB, 1 GB = 102…
What is the difference between RAM and ROM?
Answer
RAM (Random Access Memory): (1) Volatile - loses data when power is off, (2) Read and Write operations possible, (3) Stores programs and data temporarily during processing, (4) Faster access speed. RO…
What is Von Neumann architecture and which computer was first built on this concept?
Answer
Von Neumann architecture, introduced by John Von Neumann in 1945, is a computer design concept where both data and programs are stored in the same memory. Components include: CPU for processing, Memor…
What are the three types of buses in a computer system?
Answer
The three types of buses are: (1) Data Bus - transfers actual data between CPU, memory, and I/O devices (bidirectional), (2) Address Bus - carries memory addresses from CPU to memory locations (unidir…
What is Moore's Law and what does it predict?
Answer
Moore's Law was introduced by Intel co-founder Gordon Moore in 1965. It predicts that the number of transistors on a computer chip will double every two years, while the cost of computers will be halv…
Give examples of structured, unstructured, and semi-structured data.
Answer
Structured Data: Organized in rows/columns format - student attendance records, bank transactions, spreadsheet data. Unstructured Data: No predefined format - audio/video files, social media posts, im…
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Sources & Official References
- Karnataka SSLC — kseeb.kar.nic.in
- Dept of Pre-University Education, Karnataka
- National Education Policy 2020 — education.gov.in
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