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Database Concepts
It is strongly suggested ( imperative? ) that you analyze a database before attempting a database redesign. What tools and techniques do we have for analyzing the relational database? Why is it important to analyze the database before implementing database redesign tasks? What can happen if analysis is not done prior to redesign?
Generate the intermediate code for the following expression assuming the usual rules concerning parentheses, precedence and associativity. Be sure to reuse temporaries as soon as possible: x + (5 - y) * z - 1
Use the concepts and scenario from Assignment 1 to help Fran's Virtual Fruit Stand increase the functionality of its online shopping cart. When a customer checks out, the shopping cart must store the required data pertaining to each item the custo..
A switch has been divided using separate VLANs for each of the following departments: Marketing, Engineering, Sales, and Administration. How many total broadcast domains exist on the switch?
Given the range of reporting and data extraction tools, when does it make sense to use OLAP? What would you consider the main selling points of OLAP technology? When would OLAP not be a good choice?
The subsequent problems deal with translating from C to MIPS. Assume that the variables f, g, h, i, and j are assigned to registers $s0, $s1, $s2, $s3, and $s4, respectively. Suppose that the base address of the arrays A and B are in registers $s6..
When a user enters data into a form then submits the form (typically, by clicking the Submit button), the browser immediately checks that the data is correct. True or False
A PWM is used in 8-bit mode to produce a signal with a 1 msec period and 60% duty cycle. Determine the value required for any prescaling and the values for the period and duty cycle registers. The E-clock is 24 MHz.
Give an argument why the congestion-control problem is better managed at the internet level than the ATM level, at least when only part of the internet is ATM. In an exclusively IP-over-ATM network, is congestion better managed at the cell level o..
1. The following is the color triangle for matching stimuli of wavelengths 700, 546.1 and 435.8nm showing the locus of spectral colors. Assume a color in the blue-green range has the coordinates of r = -.50, g = +.75 (the dot in the diagram below)
Describe two commercial technologies for use by small or medium size businesses in effectively managing operations.
You are a new IT security professional for a small police department. At first you did not see your agency as being a large target for attacks. However, the city recently appointed a new and very controversial police chief.
What is a logical use for global variables? The choices are: 1. You don't have to keep passing variables between functions.
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