第 1 题
1 分What is a primary characteristic of an embedded system?
Pearson Edexcel IGCSE · Computer Science
Hardware：练习题
5 道选择题即时批改，另有 2 道文字题附完整解题步骤，全部围绕「Hardware」。
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第 2 题
1 分Which statement best describes the purpose of virtual memory?
第 3 题
1 分A user upgrades their CPU from a single-core processor to a quad-core processor, both running at a clock speed of \( 3.0\text{ GHz} \). Why might some applications NOT show a significant increase in performance?
第 4 题
1 分Which type of memory is volatile and used to store data and instructions currently in use by the computer?
第 5 题
1 分During the Fetch-Decode-Execute cycle, which register holds the memory address of the next instruction to be fetched?
第 6 题
2 分In the Von Neumann model of a computer system, what is the primary purpose of the Arithmetic/Logic Unit (ALU)?
先自己写一遍答案，再对照解题步骤。
第 7 题
4 分The Von Neumann architecture defines how a modern computer functions using the Fetch-Decode-Execute cycle. Identify the hardware components of the Central Processing Unit (CPU) based on these descriptions:
a) Which component performs arithmetic operations such as addition and logical operations such as AND/OR?
b) Which component manages the flow of data and coordinates the fetch-decode-execute cycle?
c) Name the small, high-speed storage locations inside the CPU used to hold data and instructions temporarily during processing.
先自己写一遍答案，再对照解题步骤。
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