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In the view of the M364 module team, HCI has been superseded by ID. This is because HCI traditionally concentrated upon desktop computers with single users, whereas ID includes the theory underpinning, and the practice of, designing the whole array of interactive products which now exist, many of which are used by more than one person at a time.
Usability. Usability is a widely used term, particularly among ID practitioners. For example, there is a large and successful Usability Practitioners Association (UPA). Usability is defined in Part 11 of the ISO 9241 standard as 'the extent to which a product can be used by specified users to achieve specified goalswith effectiveness, efficiency and satisfaction in a specified context of use(British Standards Institution, 1998).
Box on page 14 of the Set Book defines usability engineers as 'people who focus on evaluating products, using usability methods and principles'. So usability engineers spend much of their time evaluating the usability of products.
What is a sparse matrix? Sparse Matrix A matrix in which number of zero entries is much higher than the number of non-zero entries is known as sparse matrix. The natural me
Vector-Scalar Instructions In this category, when combination of vector and scalar are fetched and stored in vector register. These instructions are referred with the subsequen
A Scrollbar is a Component, but not a Container while Scrollpane is a Container and handles its own events and do its own scrolling.
Common problem with Hill climbing: An alternative way of justifying the problem is that the states are boards with 8 queens already on them, so an action is a movement of one
Q. Versions of small computer systems interface? SCSI-1 calls for a cable with 8 data wires plus one for parity. SCSI-2 allows use of multiple cables to support 16- or
What are the various address Translation schemes? Explain which scheme is used in Internet? Translation from a computer's protocol address to a corresponding hardware address i
What is the difference between, page directive include, action tag include? Ans) One difference is whereas using the include page directive, in translation time it is making t
Design a 4-bit comparator using combinational logic, and Karnaugh Maps. The inputs of the circuit are two 2-bit numbers. a) Construct the truth table given 2-bits inputs A and B, a
Q. Explain Magnetic Read and Write Mechanisms? Data are recorded on and then retrieved from disk via a conducting coil called the head. In numerous systems there are two heads,
What is control word? A control word is a word whose individual bits show the various control signals.
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