Which of the following is a control - such as a check box or button - that offers options to users or runs macros or scripts that automate a task?
A) DeveloperX control B) AJAX control
C) ActiveX control D) VBA control
C
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When the less than operator (<) is used between two pointer values, the expression is testing whether
a. the value pointed to by the first is less than the value pointed to by the second b. the value pointed to by the first is greater than the value pointed to by the second c. the address of the first variable comes before the address of the second variable in the computer's memory d. the first variable was declared before the second variable e. None of these
Read the following scenario. Provide the command(s) in context of the environment established in the scenario. Write your answers on the line under each question.
- Your current directory is your home directory - You have a file named junk in your home directory - The remote host name is: unix.university.edu 1. Connect to the remote host using the telnet command. 2. Check the status of the connection 3. Display the operating parameters 4. Switch from remote host screen back to the telnet screen 5. Switch from telnet screen to the remote host screen. 6. Close the telnet connection 7. Open the telnet connection using the open command 8. Close the telnet connection 9. Copy junk to the current directory on the remote host and call it AotherJunk 10. Copy AnotherJunk from remote host to your home directory 11. Run a shell on the remote host 12. Exit the remote shell 13. Run a shell on the remote host and list your current directory 14. Log into the remote host . 15. Check who you are 16. Close connection to the remote host
What is the function of the symbol & when used with a variable?
A. It makes a pointer to that variable. B. It allows main() to access the variable in memory. C. Gives the address of a variable in memory. D. You can’t use this operator alone.
The dictionary constructor has two optional collection arguments: a collection of keys and a collection of corresponding values.
Answer the following statement true (T) or false (F)