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Explain the term- Tracker ball and Braille printers
Tracker ball
Easier to use than a mouse if people have problems using their arms and hands or if they have a coordination problemBraille printersDot matrix printers can be modified to produce raised dots (i.e. Braille) - this helps blind and partially-sighted people to read the output
Explain Busy tone in strowger telephony. Busy tone pattern is demonstrated in figure. This is a bursty 400 Hz signal with silence era in between. The burst and silence durati
Incidence Matrix: - This is the incidence matrix for an undirected group. For directed graphs, the vertex from where an edge is originating will have +1 and the vertex where the ed
What data structure is used by an operating system to keep track of process information? Explain A data structure termed as process control block (PCB ) is used by an operat
Intuitively Simple - User Friendliness This is the degree to which the system operates in congruence with human operation, in effect the machine does what we naturally think i
(a) When a forensic examiner arrives at a crime scene, the first task done is referred to as "Incident Response". Summarize the different incident response tasks done in 10 steps.
Multiprogramming or multitasking? Ans: The OS manages the concurrent execution of many application programs to make best possible use of computer resources. This pattern of si
Q. F' (A, B, C, D) = (A + B + D')(A + C' + D')(A + B' + C') D' (A, B, C, D) = (A + B' + C + D')(A' + C' + D')(A' + B + D) Find the simplified function F and imple
How many bits are required at the input of a ladder D/A converter, if it is required to give a resolution of 5mV and if the full scale output is +5V. Find the %age resolution.
Q. Criteria for selecting a theme for a project? Topics for projects as we indicated earlier should emerge from the children's world. Teaching often becomes boring and unintere
Question : Multimedia involves multiple modalities of text, audio, images, drawings, animation, and video (a) Describe three popular file formats for images (b) Most imag
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