In this episode, we’ll explore the key components of computer systems and how hardware and software work together. We’ll discuss hardware elements, including Input/Output (I/O) devices like keyboards and monitors, which facilitate user interaction. We’ll examine the role of processors, such as CPUs and GPUs, in handling data processing and controlling other components. We’ll also look at primary storage, including RAM and ROM, which store actively used data and instructions. Finally, we’ll consider secondary storage options like HDDs, SSDs, CDs, and USB drives, which provide non-volatile memory, though not all computer systems rely on them.
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This week, Emma looks at malware and network attacks for your GCSE ComSci exam. She looks at the different types of attacks that can be launched against a system like viruses, worms, trojans and backdoors, as well as penetration testing. Perfect for OCR, AQA, Edexcel and WJEC GCSE and iGCSE exam boards. Ideal for preparing you for your GCSE Computer Science exam.
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In this episode, Emma looks at packet switching for your GCSE ComSci exam. She goes through the structure of packets, as well as the process of routing and checking packets. Perfect for OCR, AQA, Edexcel and WJEC GCSE and iGCSE exam boards. Ideal for preparing you for your GCSE Computer Science exam.
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This week, Emma looks at protocol layer models for your GCSE ComSci exam. She looks at the Transmission Control Protocol (TCP) model and the Open Systems Interconnection (OSI) model. Perfect for OCR, AQA, Edexcel and WJEC GCSE and iGCSE exam boards. Ideal for preparing you for your GCSE Computer Science exam.
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In this episode, Emma goes through network and application protocols for your GCSE ComSci exam. She looks at the following protocols: HTTP, HTTPS, FTP, POP and IMAP. Perfect for OCR, AQA, Edexcel and WJEC GCSE and iGCSE exam boards. Ideal for preparing you for your GCSE Computer Science exam.
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Emma's back with everything you need to know about IP & MAC addresses for your GCSE ComSci exam. She goes through the construction of IP addresses using IPv4 and IPv6 as well as the structure and use of MAC addresses. Perfect for OCR, AQA, Edexcel and WJEC GCSE and iGCSE exam boards. Ideal for preparing you for your GCSE Computer Science exam.
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In this episode, Emma takes a look at everyone's favourite invention WiFi for your GCSE CompSci exam. She goes through the concept of requency bands as well as WEP, WPA and WPA2 security. Perfect for OCR, AQA, Edexcel and WJEC GCSE and iGCSE exam boards. Ideal for preparing you for your GCSE Computer Science exam.
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This week Emma looks at the different uses of virtual networks for your GCSE CompSci exam. She looks at VPNs and VLANs as well as the star and mesh network topology. Perfect for OCR, AQA, Edexcel and WJEC GCSE and iGCSE exam boards. Ideal for preparing you for your GCSE Computer Science exam.
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This week, Emma goes through everything you need to know about the cloud for your GCSE CompSci exam. She looks at the different cloud services that can be used by individuals or businesses like Amazon Web Services (AWS) and Google Drive. Perfect for OCR, AQA, Edexcel and WJEC GCSE and iGCSE exam boards. Ideal for preparing you for your GCSE Computer Science exam.
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In this episode, Emma looks at the internet for your GCSE CompSci exam. She goes through the World Wide Web, URLs, the and the domain name service or DNS. Perfect for OCR, AQA, Edexcel and WJEC GCSE and iGCSE exam boards. Ideal for preparing you for your GCSE Computer Science exam.
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Emma goes through everything you need to know about P2P networks, what they're used for and the pros and cons of peer to peer. Perfect for OCR, AQA, Edexcel and WJEC GCSE and iGCSE exam boards. She also looks at the different methods and equipment used for transmission, including radiowaves (WiFi and BlueTooth), fibre optic and copper cabling. Ideal for preparing you for your GCSE Computer Science exam.
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In this episode, Emma introduces the concept of networks, what they are used for and how they are typically set up. She looks at local area and wide area networks (LAN and WAN), as well as the advantages and disadvantages of the client-server model. Perfect for OCR, AQA, Edexcel and WJEC GCSE and iGCSE exam boards. Ideal for preparing you for your GCSE Computer Science exam.
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In this episode, Emma looks at the properties of HDDs and optical drives, including their strengths, limitations, and appropriate uses. Perfect for OCR, AQA, Edexcel and WJEC GCSE and iGCSE exam boards. Ideal for preparing you for your GCSE Computer Science exam.
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Emma looks at the different units of capacity, as well as the different properties of solid state drives (SSDs). Ideal for preparing you for your GCSE Computer Science exam.
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Emma looks at the advantages and disadvantages of flast and virtual memory. Ideal for preparing you for your GCSE Computer Science exam.
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Emma looks at the fetch, decode and execute cycle, as well as the different types of memory used in computers. Ideal for preparing you for your GCSE Computer Science exam.
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Emma looks into the Von Neumann architecture and registers. Ideal for preparing you for your GCSE Computer Science exam.
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