Alevel计算机科学是近年来非常热门的一项课程，它不仅能够衔接本科理工科的相关专业，还能够与商科心理学社会学等人文类专业相融合，在日后进入行业工作，发展的道路也是很多的。

同时，也有很多同学关心Alevel计算机科学得A*的难度问题，本篇中小编就将结合课程的考试安排和真题和大家分享一下难度评价，一起来看看吧！

Alevel计算机科学考试构成

Paper1 考察计算机理论基础，考试内容为学习目录中的前8个单元的知识，考试总时长为1小时30分，总分75分。

Paper2 考察计算机基本问题，考试内容为学习目录中9-12单元的知识，考试总时长为2小时15分，总分75分。

Paper3 考察计算机进阶理论，考试内容为学习目录中的13-20单元的知识，考试总时长为1小时30分，总分75分。

Paper4 考察计算机实际应用，重点考察学习目录汇总19、20单元的内容，需要大家上交完整的程序代码和测试报告，需要使用到Java，VB.NET或Python作为编程语言。

总体而言，原来我计算机科学考试的难度是比较大的，他不仅要考察，大家对于计算机科学理论知识掌握的是否完全到位，还要考察大家的编程实践能力，所以想要获得A*的好成绩，不仅要在课上认真学习，还要在课后及时整理笔记进行实战训练。

Alevel计算机科学真题

1、State one difference between a kibibyte and a kilobyte.

2、Give the number of bytes in a mebibyte.

3、Yvette runs a company that books walking holidays for groups of people. She has a website thatcustomers use to book the holidays.

(1)The website has a URL and an IPv6 address.

Describe, using an example, the format of an IPv6 address.

(2)An IP address can be static or dynamic. Describe static and dynamic IP addresses.

Static：

Dynamic：

(3)Yvette’s company has a LAN (Local Area Network) that has hybrid topology.

(i)Describe the characteristics of a LAN.

(ii)The LAN has a range of different topologies. One subnetwork connects four computersand one server set up as a star topology.

·Describe how packets are transmitted between two of the computers in this subnetwork.

(4)The LAN has both wired and wireless connections.

(i)Ethernet cables connect the computers to the server.

·Identifythreeother hardware components that might be used to set up the LAN.

(ii)Describe how Carrier Sense Multiple Access/Collision Detection (CSMA/CD) manages collisions during data transmission.

【微语】在远方的天空下, 他/她用笔尖书写着未来, 愿每一个夜晚都有星光陪伴, 让梦想不再孤单。