Networks
Random, but mostly Networks
Web Pages and Search
Adam
Really Random
100
Define network.
A network is a collection of nodes and edges. Nodes are real-world entities such as people or computers. Edges are the connections between these entities. Also acceptable - define in terms of a computer network - A network links together devices so that data and information can be shared
100
What is the Internet of Things?
The Internet of Things is the collection of so-called "smart devices" and sensors that are being connected to the Internet. Everything from refrigerators to thermostats are now Internet-enabled. This has direct impacts on networking (number of devices) as well as security and social impacts.
100
True or False. Today there are several billion pages on the Internet.
True.
100
Most computer ads specify the speed of a microprocessor in gigahertz. What do these numbers mean?
This is the speed of the processor's clock. The clock is a timing device that sets the pace for executing instructions. 1 GHz means a billion cycles per second. A 2.13 GHz processor, for example, means that the processor can operate at 2.13 billion times per second.
100
What is Software?
Software is the collection of computer programs, apps, and operating systems. It is a set of instructions/commands that allows us to interact with the digital device. It is the interface between the hardware and the user
200
It connect devices with a range of about 30 feet. As the name suggests, it typically involves the devices of one individual. What type of network is it?
What is PAN or Personal Area Network?
200
A network's _______ is its transmission capacity. It is measured in bits per second
What is bandwidth?
200
HTML is the language for doing what?
Creating web pages.
200
What is a GPU?
GPU (Graphics Processing Unit) is a specialized processor for displaying graphics. The GPU renders images, animations and video for the computer's screen. For graphics intensive applications - such as gaming - GPUs assist the CPU by providing an alternate place to carry out graphics instructions. GPUs can be located on graphics cards that are separate from the CPU or they can be in combined chips that contain both a CPU and a GPU.
200
Can your device run out of RAM? If you keep opening programs and using more data, will your device use up all the memory and stop processing data/instructions? Bonus points if you read the textbook and can tell me what happens when/if this occurs.
yes, you can use up all the memory in your device. however, if you exceed the limit the operating system will resort to using your hard drive as memory. It will read and write data and instructions to the hard drive and keep going. But, this process - called virtual memory - is slow.
300
Its a type of network that connects devices within a limited geographical area - typically within one building. Computer labs and home networks are examples.
What is a LAN or Local Area Network?
300
Point to Point, Star, and Mesh are types of these.
What is a network topology?
300
Does Google go out and search the Web every time we enter search text?
No. It searches a local index of the Internet.
300
How does CPU cache differ from RAM?
Both are types of memory. However, CPU cache is memory on the processor while RAM is not. They serve a similar function - to serve as a staging area for data that will be processed. CPU cache can be accessed more quickly than RAM and helps in speeding up processing.
300
What is an Internet Service Provider? Give one example.
An Internet Service Provider is a company that provides access to the physical infrastructure (hardware) of the Internet. In our area, Comcast and Verizon are examples.
400
This type of network covers a large geographical area and usually consist of several LANs. The Internet is an example of this type of network
What is a WAN or Wide Area Network?
400
The _______ model is how resources are hosted and requested on the Internet. The ______ hosts resources and is always connected to the Internet. The _____ requests resources from the _______.
What is the client-server model. server, client, server
400
What do Google advanced operators allow us to do?
They help refine searches by providing context.
400
True or False. A 2.13 GHz processor operates at 2.13 billion cycles per second. One cycle always equates to one instruction. Thus, a 2.13 GHz processor can execute 2.13 billion instructions per second.
False. Most, but not all, instructions can be executed in one clock cycle. Sometimes instructions are complicated enough that they require multiple clock cycles. Other times, instructions are simple enough that the processor can execute more than one instruction in a cycle. The processor speed is a good estimate of how many instructions per second it'll execute, but it is not exact.
400
What is ROM and how does it differ from RAM?
ROM is Read-Only Memory. We can only read instructions and data from ROM. We can't write to it. With RAM, we can remove the data and instructions that are there and add new ones. Contents in ROM also persist after the power is turned off - unlike RAM, which is erased when the power is turned off.
500
Your a network administrator. Name at least two things that may impact your network as it expands in size and number of users.
1. The number and diversity of devices will increase 2. Specialized devices may be needed to boost the signal and route traffic
500
TCP and UDP are two examples of what?
TCP and UDP are the two protocols used for dividing data into chunks (packets), addressing the packets, and reassembling the packets
500
True or False. HTML is a programming language just like Java, C, and C++. Why or why not?
False. HTML is a markup language.
500
Why is an ARM processor more energy efficient than an x86 processor?
The ARM processor has a simpler instruction set. What an x86 processor can do in one instruction is often broken down into multiple instructions in an ARM instruction set. The upside of this is that the reduced instruction set requires fewer transistors, which means less heat and less energy consumption. Thus, it doesn't drain a battery as quickly as an x86 processor would.
500
What is the majority illusion?
There is a phenomenon called majority illusion where we believe something is incredibly popular because we see it everywhere we look on social media. The majority illusion results because of network analysis and well target advertising/marketing.
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