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You are being employed as a novice interaction designer on a project to develop a public kiosk providing information about the exhibits available in a science museum. Consider how you might implement each of the four ID activities. For example, you might observe users as a part of establishing requirements. As it is still early in the module you will need to use your imagination and experience when answering this question, becausewehavenoty etc overed thevariousa pproachesi n any detail.Do not be concerned if your suggestions are different to mine - you will learn more about the approaches I suggest later in the module.T he purpose of this activity is to get you thinking about what an interaction designer might need to do.
What are the "field" and "chain" Statements? The FIELD and CHAIN flow logic statements let you Program your own checks. FIELD and CHAIN tell the system which fields you are ch
A computer system provides protection using the Bell-LaPadula policy. How would a virus spread if A) the virus were placed on the system at system low (the compartment that all o
How speech is transmitted in a digital switching environment using PCM/TDM? A digital carrier system is a communications system which uses digital pulses quite than analogue si
Explain the types of hardware used in supermarkets These use many types of specialist I/O hardware. For instance: - Bar code readers/scanners (to read product details and e
The demand placed on a system is explained by a lognormally distributed random variable with mean 50 and standard deviation of 10. The capacity of the system is modeled by a Weibul
Explain non-adapting routing. Systems which do not implement adaptive routing are explained as using non-adapting or static routing, which routes by a network are explained by
In a two stage network there are 512 inlets and outlets, r=s=24. If the probability that a given inlet is active is 0.8, calculate: the switching elements Given: N =M =512,
Explain the use of SSL to secure the network. SSL (Secure Sockets Layer) is a protocol developed by Netscape for transferring private documents by the Internet. SSL works by u
What are the disadvantages of Public Key Cryptography? Disadvantages of Public Key Cryptography are as given below: a) It is used to encrypt a secret key that is used to e
In the organisation of an associative memory, many registers are used: Comparand Register (C): This register is used to grasp the operands, which are being searched for, or
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