A website can determine if a user is accessing that site through a mobile device, based on the ____.
A. database
B. navigation
C. screen width
D. resolution
Answer: C
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Which of the following is not true regarding e-commerce?
A) Many companies are opening brick-and-mortar stores and maintaining an online presence. B) Other companies that would have started with a brick-and-mortar store in the past are bypassing that option and opening online exclusively. C) With so many people online using social media and being targeted by online businesses, e-commerce is exploding. D) The four types of e-commerce categories are B2B, B2C, C2B, and C2C.
The ____ function should be used before deleting files and directories to determine if the file or directory name exists.
A. file_exists() B. dir_exists() C. file_dir_exists() D. dir_file_exists()
The word shown in bold is spelled correctly in the following sentence.Ali listened to the candidates' speechs.?
Answer the following statement true (T) or false (F)
?The sub-network of a wide area network is the logical infrastructure and thus consists of nodes and various types of interconnecting media.
Answer the following statement true (T) or false (F)