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26 Cards in this Set
- Front
- Back
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What is the name of the Cable used for MIDI? |
5 Pin DIN Cable |
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What does Polyphonic mean? |
More than one note can be played at once. |
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What does Parallel Transmission mean? |
Multiple bits can be sent simultaneously on different channels through the same wires. |
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What does Serial Transmission mean? |
Bits can only be transferred one at a time, through a single wire. |
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What does asynchronous transmission mean? |
Where data is transmitted in spurts, instead of at regular intervals, without the use of an external clock. |
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Name an ethical reason behind setting up a social network. |
1. Privacy 2. Copyright 3. Piracy |
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Represent the denary number 123 in 8 bit binary. |
0111 1011 |
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What is the sample rate of a standard CD?
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44,100Hz (44,100 times per second)
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What is the difference between Lossy and Lossless compression? |
Lossy removes non-essential information, whereas Lossless does not when compressed. |
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Give examples of the four types of software. |
1. Operating System (Windows) 2. Utility Programs (WinZip, Anti Virus) 3. Libraries (.dll files) 4. Translators (Python IDLE) |
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Give some factors that affect processor performance. |
- The number of cores - The amount of cache - Clock Speed - Address and Data bus width |
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The binary value 0110 1001 is going to be transmitted, is it an Even or Odd Parity? |
EVEN Parity. |
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What is SSID and why may people choose to hide their SSID? |
SSID is a 25 character alphanumerical password for your network, it is required to access your network. People may hide it because is a lower form of encryption so to hide it from interceptors. |
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What is a Bus Topology? |
A network that is connected together through a single cable (this includes nodes, printers and email servers). |
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What is a Star Topology? |
A network in which all devices are connected individually to a central hub. For example, each node will have a individual connection to the hub. |
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What does CTS/RTS do? |
When a computer wishes to send something to a device it cannot read, (For example A wishes to connect with C), it will send a RTS to B to check if the line is clear, then send a CTS to both A and C to tell them the line is clear, then it sends the data. |
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Give an example of an Irrational Number. |
√2 |
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Give an example of a Integer number. |
-1 onwards. |
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Give a disadvantage of a Peer-to-Peer Network. |
- Pirates use it to illegally download torrents. - Each node needs its own Anti Virus scanner. |
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Give an advantage of a Client Server Network. |
- Security is managed centrally (stored in a locked room). - Files can be easily accessed. - Users can access data from a central server. |
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What is a Data Bus? |
A bus that provides a bidirectional path so the CPU can carry instruction to other system components, a data bus carries data from one register to another. |
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The negation of the conjunction is the....? |
Disjunction of the negations. |
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The negation of the conjunction is the....? |
Disjunction of the negations. |
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Explain what the term pixel means. |
A pixel is a picture element/the smallest addressable element of a picture. |
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What does ALU mean and what does it do in a CPU? |
Carries out the arithmetic and logical operations such as addition, subtraction and comparisons. |
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Provide two examples of what information might be contained within the metadata of an image. |
- Camera Settings - Date/Time Information - Thumbnail - Copyright Information |
