Câu 13. Trong Excel, để bảo mật tập tin Excel ta làm thế nào? a) Menu File -> Save As -> Tools -> Map Network Drive…
b) Menu File -> Save As -> Tools -> Web Options…
c) Menu File -> Save As -> Tools -> General Options…
d) Menu File -> Save As -> Tools -> Compress Pictures…

Write code using c . (take input from user) calculate the size of a given file in kbs. in this task you will complete the function with the following prototype: float get_file_size(char * filename); the function takes the file name (address to the start of a null terminated character array) as input. the function should then open the file and find the number of bytes it contains till eof. the number of bytes divided by 1024 will give the size in kbs. if the file cannot be opened the function should return -1.

Drag each label to the correct location on the imagelist the do’s and don’ts of safeguarding your password. keep yourself loggedin when you leave your computer. don’t write your password down and leave it whereothers can find it. share your password with your friends. each time you visit a website, retain the cookies on your computer. use a long password with mixed characters.

Which text function capitalizes the first letter in a string of text? question 10 options: upper capital first proper