L-1.4:Types of Buses (Address, Data and Control) in Computer Organization and Architecture

Address Bus:
Address bus carry the memory address while reading from writing into memory.
Address bus caary I/O post address or device address from I/O port.
Data Bus:
Data bus carry the data.
Data bus is a bidirectional bus.
Control Bus: Different types of control signals are used in a bus.
Memory Read: This signal, is issued by the CPU or DMA controller when performing a read operation with the memory.
MemoryWrite: This signal isissued by the CPU or DMAcontroller when performing a write operation with the memory.

0:00 - Introduction
0:29 - Address Bus
3:12 - Data Bus
6:08 - Control Bus

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🎯 Key Takeaways for quick navigation:

00:58 🖥️ *Different types of registers in computer organization include address register, data register, accumulator, program counter, instruction register, temporary register, input register, and output register.*
01:58 📏 *Register size depends on the system architecture; commonly used sizes are 16 bits, 8 bits, or 32 bits. The size is determined by the number of bits in a word.*
03:30 🧮 *In memory, words represent units of data storage. The number of words in memory is determined by the system's memory size, and each word typically contains 16 bits.*
05:23 🖱️ *The address register is used to specify the location in memory from which data is to be fetched. Its size is determined by the number of words in memory, and in the example, it's 12 bits.*
05:51 📊 *The data register is responsible for storing data, and its size is determined by the size of a word. In the example, where the word size is 16 bits, the data register size is 16 bits.*
07:20 🔄 *The accumulator temporarily stores intermediate data during operations. Its size is determined by the size of the word, and in the example, it's 16 bits.*
08:19 🕰️ *The program counter stores the address of the next instruction to be executed. Its size is determined by the number of bits required to represent memory addresses, and in the example, it's 12 bits.*
09:16 📖 *The instruction register holds the opcode and operand of an instruction. Its size is determined by the size of a word, and in the example, it's 16 bits.*
13:34 🔄 *Temporary register is used to store temporary data during operations. Its size is determined by the size of the word, and in the example, it's 16 bits.*
14:30 🔄 *Input register is used to receive data from input devices. Its size is determined by the data input requirements, and in the example, it's simplified to 8 bits.*
14:57 🔄 *Output register is used to hold data output from ALU and is sent to output devices like printers or monitors. Its size is determined by the output data requirements.*

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Sir your explanation is awesome but one thing that am saying, in Your first video of Computer Organisation and architecture you talk about under topic wise syllabus but we are facing problem to understand that which topic under part you cover. so request you to mention which particular topic under the syllabus, Like Machine instruction part (Register, Bus etc) its easy for us to understand. Thanks

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बहुत अच्छा विश्लेषण। खास आपके हर vedios ये है कि आप हिंदी में समझाते है जो 100% किसी भी अंग्रेज को आ जाए। अति महत्वपूर्ण जानकारी देते है आप।

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धन्यवाद जी

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[Smiley-gzsk]

3:17 data bus is bidirectional. Not unidirectional.

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Data bus is not unidirectional, it is bidirectional sir ❤

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