A user has opened a calculator application, typed the numbers 123456789, and then done some math problem using this number. Which of the following determines, in part, what bits the computer stores in RAM to represent the number 123456789? C. Keyboard map 8. Which of the following is not a feature of a file system that might be used with a hard disk drive? A. an actuator arm 9.
Question 1 Which of the following is the most definitive feature of an event-driven programming environment? Answer | | Buttons for user input | | | Routines that perform calculations | | | Results that display on the screen | | | Text as the primary user interface | | | Program execution that varies based on user choices | 5 points Question 2 Which of the following statements is true concerning a Visual Basic.NET project? Answer | | A project is defined by its properties and methods. | | | A project contains at least one solution | | | You can use the Toolbox to add controls to a solution | | | A project will normally contain at least one form | | | A form will usually contain at least one solution. | 5 points Question 3 Which of the languages listed below is not available in Visual Studio.NET?
Write assignment statements that perform the following operations with the variables a, b, and c. a) Adds 2 to a and stores the result in b * b=a+2 b) Multiplier b times 4 and stores the result in a * a=b*4 c) Divides a by 3.14 and stores the result in b * b=a/3.14 d) Subtract 8 from b and stores the result in a * a=b-8 4. Assume the variables result, w, x, y, and z are all integers, and that w=5, x=4, y=8, and z=2. What value will be stored in result in each of the following statements? a) Set result = x + y * 12= x + y b) Set result = z + 2 * 4=z * 2 c) Set result = y / x * 2=y / x d) Set result =y – z * b=y – z 5. Write a pseudocode statement that declares the variable cost so it can hold real numbers.
In windows 7, what is designed to replace VB Script for scripting and performing actions? A. Resource Monitor C. Visual Basic B. PowerShell D. C## 9. Where do you place gadgets in Windows 7? A. Sidebar C. Taskbar B.
Which of the following determines, in part, what bits the computer stores in RAM to represent the number 123456789? d. The binary equivalent of decimal 123456789 8. Which of the following is not a feature of a file system that might be used with a hard disk drive? a. An actuator arm 9.
What happens when you give the following commands if the file named done already exists? $ cp to_do done Will make a copy of the file done a name it to_do $mv to_do done Will replace the done file done and erase the original and name it to_do 4. How can you find out which utilities are available on your system for editing files? Which utilities are available for editing on your system? Use the command apropos editor / vim, ex, ed 5.
8. Describe three ways to a. Change the size of a window. b. Delete a window. Chapter 5 Exercises 1.
“Operating system functions” 1.1-1.6 What are the major functions of an operating system? Connect from hardware to the applications / Ram/ Software etc. / What is a file system and what are the three major file systems supported by windows? A file system is when the computer names and storages the date and organizes & –FAT –HPFS – NTFS supported by windows. What are limitations of these three file systems?
Questions: 1. How many bits of mask are required to provide 30 host addresses? 5 30 = 11110 2. How many networks will be created using a 255.255.0.0 given a class A IP network (i.e., 10.0.0.0)? Over 16,000,000 3.
Lesson 5 Connecting to a Network Knowledge Assessment Fill in the Blank Complete the following sentences by writing the correct word or words in the blanks provided. 1. A software routine, which also acts as a filter that blocks certain type of incoming and outgoing traffic, while enabling other types is called a __________________. firewall 2. The __________________ tool provides a central access point for all of the network controls and connections on a computer running Windows 7.