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(comp101)[2005](f)midterm1~masze^_10093.pdf
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For questions 1 to 18, please use the pencil to fill in the circle on the answer sheet that represents the best answer (4 points for each question).


1. The cost of the computer keeps coming down while the performance keeps going up. What is the main reason for such improvements?
A. Hardware improvementthe integrated circuits keep getting more powerful.




B. Software improvementprogrammers keep getting better in designing new applications.

C. User improvementmore people now use the computers to solve their problems, leading to a bigger market.

D. Communications improvementthe Internet is reaching more and more places.


2. IMAP is:



A. hardware.

B. software.

C. firmware.

D. protocol.


3. A router is a computer that


A. protects a network from hackers.

B. transfers messages between networks.

C. provides large storage space for connected computers.

D. is part of an operating system.




4. What is the maximum number of Chinese characters can Big5 encode?



A. 128 x 128 = 16,384

B. 256 x 256 = 65,536

C. 512 x 512 = 262,144

D. 1024 x 1024 = 1,048,576


5. A DVD-ROM can be used to hold about

A. 10 megabytes of information.

B. 700 megabytes of information.

C. 5 gigabytes of information.

D. 70 gigabytes of information.


6. The main function of the motherboard is to

A. mount the hardware components of the computer.

B. provide power to the CPU and other connected components.

C. receive input to the computer from the network.

D. hold the circuitry needed by the LCD.


7. Which of the following is considered a storage device?

A. LCD

B. PROM

C. HTTP

D. RSA



8. When a user wishes to encrypt a confidential mail message, he would use


A. the receivers public key to encrypt the message.

B. the receivers private key to encrypt the message.

C. his own public key to encrypt the message.

D. his own private key to encrypt the message.




9. The Excel is


A. part of the operating system

B. an application running on the operating system

C. a driver to display a spreadsheet on the screen

D. a device connected to the computer



10. What is the most appropriate action when you receive a SPAM message?


A. Respond to the sender to request removal of your e-mail address from his mailing list.

B. Organize a mail bomb to fill the senders mailbox.

C. Report to the police and request protection from future SPAM messages.

D. Delete the message.





11. How many computers can be connected directly to the Internet using the current IPv4 addressing scheme?


A. 128 x 128 x 128 x 128 = 268,435,456

B. 256 x 256 x 256 x 256 = 4,294,967,296

C. 512 x 512 x 512 x 512 = 68,719,476,736

D. 1024 x 1024 x 1024 x 1024 = 1,099,511,627,776



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