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Questions and Answers
Which component of a computer is responsible for executing program code in software or firmware?
Which component of a computer is responsible for executing program code in software or firmware?
- CPU (correct)
- Motherboard
- Memory
- Hard Drive
What is the first step in the CPU operation sequence?
What is the first step in the CPU operation sequence?
- Execute
- Decode
- Store
- Fetch (correct)
Which architecture is associated with Intel's 32-bit instruction set?
Which architecture is associated with Intel's 32-bit instruction set?
- X86 (correct)
- X64
- RISC
- ARM
Which architecture extends X86 to support 64-bit operations?
Which architecture extends X86 to support 64-bit operations?
What is the main limitation of the X86 architecture?
What is the main limitation of the X86 architecture?
Which type of programs can run on 64-bit processors?
Which type of programs can run on 64-bit processors?
In which type of devices was the ARM architecture initially used?
In which type of devices was the ARM architecture initially used?
Which type of computer architecture uses fewer instructions but relies more on code?
Which type of computer architecture uses fewer instructions but relies more on code?
What advantage does RISC architecture have over CISC architecture?
What advantage does RISC architecture have over CISC architecture?
Which type of processors are becoming more popular for various systems, including desktops and laptops?
Which type of processors are becoming more popular for various systems, including desktops and laptops?
Which operating system is starting to support ARM-based processors?
Which operating system is starting to support ARM-based processors?
What is the main advantage of RISC and ARM-based processors?
What is the main advantage of RISC and ARM-based processors?
Which type of computer architecture achieves the same tasks with less code?
Which type of computer architecture achieves the same tasks with less code?
What is the main reason for the increasing popularity of RISC and ARM-based processors?
What is the main reason for the increasing popularity of RISC and ARM-based processors?
Which type of processors are starting to be supported by Windows 11?
Which type of processors are starting to be supported by Windows 11?
Which type of computer architecture uses fewer instructions but relies more on code?
Which type of computer architecture uses fewer instructions but relies more on code?
What is the main advantage of RISC and ARM-based processors?
What is the main advantage of RISC and ARM-based processors?
Which operating system is starting to support ARM-based processors?
Which operating system is starting to support ARM-based processors?
What is the main limitation of the X86 architecture?
What is the main limitation of the X86 architecture?
Which type of processors are becoming more popular for various systems, including desktops and laptops?
Which type of processors are becoming more popular for various systems, including desktops and laptops?
Which architecture is associated with Intel's 32-bit instruction set?
Which architecture is associated with Intel's 32-bit instruction set?
In which type of devices was the ARM architecture initially used?
In which type of devices was the ARM architecture initially used?
What is the main reason for the increasing popularity of RISC and ARM-based processors?
What is the main reason for the increasing popularity of RISC and ARM-based processors?
Which architecture is commonly used in modern PCs and extends X86 to support 64-bit operations?
Which architecture is commonly used in modern PCs and extends X86 to support 64-bit operations?
Which architecture is associated with Intel's 32-bit instruction set?
Which architecture is associated with Intel's 32-bit instruction set?
What is the main limitation of the X86 architecture?
What is the main limitation of the X86 architecture?
Which type of programs can run on 64-bit processors?
Which type of programs can run on 64-bit processors?
Which type of computer architecture achieves the same tasks with less code?
Which type of computer architecture achieves the same tasks with less code?
Which type of computer architecture uses fewer instructions but relies more on code?
Which type of computer architecture uses fewer instructions but relies more on code?
Which type of processors are becoming more popular for various systems, including desktops and laptops?
Which type of processors are becoming more popular for various systems, including desktops and laptops?
In which type of devices was the ARM architecture initially used?
In which type of devices was the ARM architecture initially used?
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Study Notes
Overview of CPU Architectures: X86, X64, and ARM
- The CPU (Central Processing Unit) is responsible for executing program code in a computer and performs basic operations on instructions.
- The CPU operates in a sequence of fetch, decode, execute, and store, retrieving instructions, deciphering them, performing the instructions, and saving the results.
- There are three main CPU architectures: X86, X64, and ARM.
- X86 is Intel's 32-bit instruction set architecture used in early PCs, with a progression from 8086 to 586 and later brand names like Celeron and Pentium. It is limited to addressing 4 GB of RAM due to its 32-bit architecture.
- X64 extends the X86 architecture to support 64-bit operations and can address more memory. It is commonly used in modern PCs and referred to as AMD64 or Intel 64 depending on the manufacturer.
- 32-bit systems can only run 32-bit programs, while 64-bit processors can run both 64-bit and 32-bit programs due to backward compatibility. X64 processors are widely used for compatibility and support.
- ARM stands for Advanced RISC Machines and is an architecture with a reduced instruction set. It was initially used in low-power devices like tablets and smartphones.
- Apple introduced ARM-based processors (M1 series) for desktops and laptops, offering extended battery life. ARM is also popular in system-on-a-chip (SoC) configurations for devices like smart TVs and smart speakers.
- RISC (Reduced Instruction Set Computer) architecture, like ARM, uses fewer instructions but relies more on code. RISC systems achieve the same tasks with less code, reducing power consumption and extending battery life.
- RISC and ARM-based processors are becoming more popular for various systems, including desktops and laptops.
- Windows 11 versions are starting to support ARM-based processors, expanding their usage.
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