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【单选题】
What kind of online server translates between IP addresses and domain names?
A.
DNS
B.
SSL
C.
PPTP
D.
IP Sec
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Which of the following statements about“Disposable income”is incorrect?
A.
It is total personal income minus personal current taxes.
B.
It is not the same with discretionary income.
C.
It is total personal income after subtracting taxes and typical expenses.
D.
It is total personal income minus all payments that are necessary to meet current bills.
【单选题】Hard disk is ().
A.
Output equipment
B.
Read only memory
C.
External memory
D.
Internal memory
【单选题】Which would be an appropriate use of a forum?
A.
Check to see if there are known problems with a device.
B.
Transfer a file.
C.
Communicate privately with a teacher.
D.
Request a refund for a purchase.
【单选题】What should you do if you receive an email telling you that you have won a competition you did not enter?
A.
Contact the sender of the email and tell him he has made a mistake.
B.
Open the message to see if the prize is worth claiming.
C.
Open the message and claim the prize.
D.
Delete the mail immediately.
【单选题】The main function of the controller is ().
A.
Make logical judgment
B.
Arithmetic operation on data
C.
Input and output of control data
D.
Command all parts of the computer to work automatically and coordinately
【单选题】Which of the following would be the strongest password?
A.
NewYork
B.
M3rl1n@t
C.
birmingham
D.
August23
【单选题】Data stored in ROM when the computer is powered off ().
A.
Will not lose
B.
Partial loss
C.
May be lost
D.
Completely lost
【单选题】which of the following is the correct email?
A.
@qq.com
B.
abc@.com
C.
abc@163.com
D.
abc@qq