Which of the following is the newline character?
A. \r
B. \n
C. \l
D. \b
Answer: B
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In an operating system like Unix, a common shared resource is the processor or CPU, and multiple processes compete for this common resource. What algorithm approach can be used?
a. Greedy b. Divide and conquer c. Dynamic programming d. Priority queue
Answer the following statements true (T) or false (F)
1) String method capitalize returns a new string where the first character of each word in the string is the one and only uppercase character in the word. 2) String method find searches a string for a substring and raises a ValueError exception if the string does not contain a substring. 3) Method rindex returns the highest index at which the specified substring begins. 4) Most string methods modify the string in-place. 5) Any string can be treated as a regular expression.
Text files store text characters, formatting, tables, and graphics
Indicate whether the statement is true or false
An operating system is responsible for validating certificates used to secure communication. For Windows, Microsoft maintains a database of trusted root certificates issued by Certificate Authorities (CAs). A root certificate is the original certificate issued by the CA. When a Windows system opens a secure email or visits a secure website and encounters a new digital certificate, it requests Microsoft’s trusted root certificate, which is downloaded to the computer. The download happens seamlessly without the user’s knowledge unless there’s a problem. If Windows cannot obtain the root certificate to validate the email or website, an error is displayed. Where do you go in the Windows operating system to view and delete root certificates?
A. Action Center B. Certificate Manager C. Windows Security D. Windows Defender