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Simplify the given expressions using Boolean postulates XY + X‾Z‾ + XY‾Z (XY + Z) Ans. XY + X‾Z‾ + XY‾Z (XY + Z) = XY + X‾Z‾ + XY‾Z (XY + Z) = XY + X‾Z‾ + XXYY‾Z
Q. Describe about Address Space and Memory Space? An address used by a programmer will be termed as a virtual address and set of such addresses the address space. An address in
What are primary keys and foreign keys? Primary keys are the unique identifiers for every row. They must have unique values and cannot be null. Due to their significance in rel
The 16 keys (4x4 matrixes) keypads diagram is shown in figure 4 above. Let see how the keypad is connected. Each square of the alphanumeric has to be pushed to make a switch or con
What is a file? A file is a named collection of related information that is recorded on secondary storage. A file having either programs or data. A file has sure "structure" b
Q. Explain Physical Characteristics of magnetic disk? Figure below lists main features that differentiate among different types of magnetic disks. First head may either be fixe
Question: (a) Copying a graphic image from the Web will be as easy as pointing to it and clicking the right mouse button or performing a screen capture. The question is, under
what is system programming? System programming is the activity of implementing and designing SPs. System programs that are the standard component of the s/w of most computer
Find the Nyquist rate for the following signals: (a) x(t) = 5 sin 3000πt cos 4000πt (b) A binary channel with bit rate 36000 bps is available for PCM voice transmission. Fi
In a memory hierarchy system, data and programs are first stored in secondary or auxiliary memory. Program and its related data are brought in main memory for execution. What if th
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