Master Computers and Technology with Fun Quizzes & Brain Teasers!

What Windows utility is particularly useful in identifying software and hardware bottlenecks, and provides the ability to see these in real time
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Larissa needs to build an XML file and she's chosen to construct a test file manually. Which editor would not work for this purpose
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Three ways to improve the performance of a hard disk include _______.A.) disk caching, RAID, and file expansionB.) RAID, file compression, and disk expansionC.) disk caching, RAID, and file compressionD.) file compression, disk caching, and file encryption
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Write a fully documented class that simulates a station. It must contain two queues, two boolean source instances - one to generate arrivals for first class, and one to generate arrivals for second class.
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SQL:1) Write a query that will show the Employee and Department information... where the employee's salary is < the average employee's salary for the department. Hint: you'll have to use a correlated subquery to find the average salary Hint: Order the results2) Write a trigger that will prevent the EMPLOYEE.SALARY to be lower than the JOBS.MIN_SALARY and not higher than the JOBS.MAX_SALARY3) Build a query that will rank the Employee's salary by department.4) Build a query that will list employee and department information, for departments with more than 5 employees.
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A _____ ________ is an organized structure of data-holding files and directories residing on a storage device, such as a physical disk or partition.
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The speedy, constantly-on connection to the internet that was still only minimally in use around the turn of the 21st century is called ______.
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The ADT stack lets you peek at its top entry without removing it. For some applications of stacks, you also need to peek at the entry beneath the top entry without removing it. We will call such an operation peek2: If the stack has more than one entry, peek2 method returns the second entry from the top without altering the stack. If the stack has fewer than two entries, peek2 throws InsufficientNumberOfElementsOnStackException. Write a linked implementation of a stack that includes a method peek2
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More Trouble with Toothpicks: Exploring Patterns 1. Explore the AREA of the stages of the pattern. a) Describe how the area changes from one stage to the next. b) Color the square(s) that were added at each stage. c) Use words to write a recursive relationship for the area. d) Use symbols to write a recursive relationship for the area. e) Use words to describe how to obtain the area of the n th stage. f) Use symbols to write a closed form for the area of the n th stage.
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Which of the following activities does the USA Patriot Act define? Group of answer choices cyberterrorism identity theft transmitting virus programs credit card fraud
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If you want to suppress any new features and mates added to the assembly while a certain configuration is not active, which Advanced Option should you choose
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A binding constraint limits the value of the objective function. If it could be ______________, an improved solution would be possible.
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Consider a simple implementation of DES with 16-bit plaintext input and 16-bit key. It has 2 rounds with swap step. Both initial permutation and final permutation (inverse initial permutation) are included. The F-function in feistel network is including 4 steps, expansion, key mixing, substitution and permutation. Please refer to slides and textbook for detailed DES structure. We assume the plaintext is 1100 0111 1010 0011 and the key input is 0011 1111 1100 0101.Required:a. What is the key for the first round?b. What is the ciphertext after the first round?c. What is the key for the second round?d. What is the ciphertext after the second round?
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Write the following program, using semaphores.There are 3 threads in infinite loops. Thread 1 writes a random number into a shared variable called B. Thread 2 reads that random number and if it is odd, prints it. Thread 3 also reads the random number and if it is even prints it. Thread 1 then reassigns a new value to B (after Thread 2 or 3 has printed it). Thread 2 or 3 then prints the new value. This keeps repeating forever.
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____________________ packet filtering looks at each packet entering or leaving the network and then either accepts the packet or rejects the packet based on user-defined rules.
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Step 1: Gather materials and necessary information. a) Educate yourself about substance-abuse issues and healthy alternatives. b) Ask your teacher whether you will be using presentation, drawing, word-processing, or artistic software to develop the public service announcement. c) Access a computer with reliable Internet service
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Assuming all other features are the same, which computer probably can store more songs and videos than a computer with a 2 GB memory and a 2 TB drive
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When you derive a Binary Search Tree ADT from a Binary Tree ADT, you must redefine _______ operations.
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________ refers to software designed to alter system files and utilities on a victim's system with the intention of changing the way a system behaves.
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What technology is designed to recover encrypted data if users forget their passphrases or if the user key is corrupted after a system failure
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__________ is a system that is designed to overcome the speed limitations of the Internet and support heavy-duty applications such as videoconferencing and distance education.
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When ISU first joined the Internet, we were given the entire 138.87.x.x IP range. What is the subnet mask (
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QUESTION 48 Which loop statement does not contain an increment statement but automatically increments the counter at the end of each iteration?
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You have a file server named Srv3 that holds files used by the development department. You want to allow users to access the files over the network and control access to files accessed through the network or through a local logon. Which solution should you implement
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