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Questions and Answers
The processor is referred to as the Central Processing Unit (CPU)
The processor is referred to as the Central Processing Unit (CPU)
True
Main Memory is non-volatile, meaning its contents are retained even when the computer is shut down.
Main Memory is non-volatile, meaning its contents are retained even when the computer is shut down.
False
System Bus is responsible for communication among processors, main memory, and I/O modules.
System Bus is responsible for communication among processors, main memory, and I/O modules.
True
A Microprocessor consists of multiple sockets, each containing a single processor.
A Microprocessor consists of multiple sockets, each containing a single processor.
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The Processor fetches an instruction from memory during the Instruction Execution phase.
The Processor fetches an instruction from memory during the Instruction Execution phase.
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Interrupts are used to speed up the processor utilization by eliminating the need for any pauses during I/O operations.
Interrupts are used to speed up the processor utilization by eliminating the need for any pauses during I/O operations.
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In a symmetric multiprocessor system, each processor has its own separate main memory.
In a symmetric multiprocessor system, each processor has its own separate main memory.
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Cache size has no impact on the performance of a computer system.
Cache size has no impact on the performance of a computer system.
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Secondary memory is also known as volatile memory.
Secondary memory is also known as volatile memory.
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Multicore computers combine multiple processors on separate pieces of silicon.
Multicore computers combine multiple processors on separate pieces of silicon.
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Write policy dictates when the memory read operation takes place.
Write policy dictates when the memory read operation takes place.
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The Memory Hierarchy emphasizes slower capacity and higher access speed.
The Memory Hierarchy emphasizes slower capacity and higher access speed.
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A priority scheme is used in one of the approaches to handle multiple interrupts.
A priority scheme is used in one of the approaches to handle multiple interrupts.
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Symmetric Multiprocessors (SMP) have processors that cannot perform the same functions.
Symmetric Multiprocessors (SMP) have processors that cannot perform the same functions.
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The block size determines which cache location the block will occupy.
The block size determines which cache location the block will occupy.
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Incremental Growth in SMP systems means adding more processors halts the machine.
Incremental Growth in SMP systems means adding more processors halts the machine.
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Study Notes
- An operating system manages hardware resources, provides services to users, and controls memory and I/O devices.
- The basic elements of a computer system include the processor, main memory, I/O modules, and system bus.
- The microprocessor revolutionized computing by introducing desktop and handheld computing with fast processing speeds.
- The instruction execution process involves fetching instructions from memory, interpreting them, and executing required actions.
- Interrupts are used to improve processor utilization and handle slower I/O devices, allowing for efficient data processing.
- Memory hierarchy is essential to balance memory capacity, speed, and cost, with different levels optimizing performance.
- Secondary memory, like hard drives, complements main memory by storing program and data files, interacting with memory management hardware.
- Cache memory exploits locality of reference, storing frequently accessed data for faster retrieval, using strategies like mapping functions and replacement algorithms.
- Symmetric Multiprocessors (SMP) systems feature multiple processors sharing memory and I/O devices, controlled by an integrated operating system.
- Multicore computers integrate multiple processor cores on a single chip, enhancing performance with independent components like cache memory.
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Description
Test your knowledge on the basic elements of a computer system as outlined in Chapter 1 of 'Operating Systems: Internals and Design Principles' by William Stallings. This quiz covers topics such as processors, main memory, I/O modules, and system buses.
