Master Computers and Technology with Fun Quizzes & Brain Teasers!

The _____ specifies whether each entity supertype occurrence must also be a member of at least one subtype.
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a description of the focus of your scenario. Describe the data that could be used and how the data might be collected and accessed. What knowledge might be derived from that data
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A formatting device in which all of the words in a document begin flush left and then all of them end at the same location on the right side of a page is called _______________.
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The centralized installation, configuration and handling of every switch in a network is known as ____________________ switching.
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Which two features allow an administrator to limit the application of GPOs based on user group membership in a domain and system hardware settings of a computer
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No matter the topology or architecture of a neural network, they all use the same algorithm to adjust weights during training. Group of answer choices True False
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Which AWS Cloud service is best suited for analyzing your data by using standard structured query language (SQL) and your existing business intelligence (BI) tools
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Floors and carpets on your computer forensic lab should be cleaned at least ____ a week to help minimize dust that can cause static electricity.
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Consider a multiprocessor system and a multithreaded program written using the many-to-many threading model. Let the number of user-level threads in the program be greater than the number of processors in the system. What relationship is expected for the performance of the system (in terms of total CPU utilization across the multiple processors) in the following scenarios. a. The number of kernel threads allocated to the program is less than the number of processors. b. The number of kernel threads allocated to the program is equal to the number of processors. c. The number of kernel threads allocated to the program is greater than the number of processors but less than the number of user-level threads.
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The use of a set of querying and reporting tools that provides users with multidimensional views of their data is called:
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Jeremy is formatting a worksheet for his sales team. He wants to highlight several lines of information and presses Ctrl 1 (Command 1). What does this action do
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Among the web design elements that help create a satisfactory customer experience are: a. multiple navigations aids like breadcrumbs and different colors for followed links. b. pages that have a lot of text and are able to answer all the visitor's questions. c. All of these are correct d. dramatic and attention-getting graphics and other visuals.
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g Give a thorough, reasoned explanation of the difference between verification and validation testing. Why is it important to perform both forms of testing
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What steps or techniques would you include in order to complete the initial analysis of a suspect file on a system
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A wireless local area network (WLAN), usually operated by a business that offers Internet access to the public. Group of answer choices narrowband sideband WiFi hotspot Random Font Interpolation Display
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The Netcraft Secure Server Survey reported over _____ billion hostnames in December 2017, up from 0.75 million just five years earlier.
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You inherit a system that has a complex partitioning scheme for its disks, apparently several disks are used to make up a system volume, and the filesystem has been created in that volume. What is the type of disk management being used
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Write a program that has a function prototype before main and an implementation of the function after main. The function to be implemented is a coin toss simulation using the random number generator. The function should return 1 or true 50% of the time and 0 or false 50% of the time. Use srand and the system time to make the program run differently each time. (srand(time(NULL));). Keep track of the number of head and tails for 10, 100, 1000, 10,000, 100,000 and 1,000,000 trials. Output the number of heads and tails and number of each as a percentage of the total.
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What occurs when a redundant storage server offers an exact replica of the real-time data, and if the primary server crashes, the users are automatically directed to the secondary server or backup server?
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The goal of your game is for the player to complete a maze while avoiding a variety of objects that appear and disappear, such as rolling barrels and flying fireballs. Each barrel and fireball will have the same basic structure and be able to perform the same actions, but you plan to vary the size and speed of each barrel and fireball object instance. Which programming term describes the barrel objects' ability to roll
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When the fsck command cannot repair a nonroot filesystem, you should immediately restore all data from tape backup. True or False
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Your browser uses a cache to keep track of the websites you visit and businesses use cookies to track your online activities. Do you think these practices invade your privacy
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Complete the code in the Auto class method named displayAutoType to return the type data. a) super(type); b) super.type; c) super.super.type; d) super.displayInfo()
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Many people are now using the Web not simply to download content, but to build communities and upload and share content they have created. This trend has been given the name Group of answer choices Persistent online reality Online networking Web 2.0 Interactive hypermedia Virtual reality
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