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(a) The programmer selects a language and starts the process of decomposing the program. (b) The programmer solicits requirements from focus groups of potential users.
(c) The programmer makes decisions about how to implement specifications for pieces of programs and writes code for them.
(d) The programmer first builds a set of propositions that allow for unambiguous proofs that the resulting software is correct. Correct answer is (c)
13. In the programming phase of the software development process, which process translates the human-readable programming language instructions into machine-readable instructions for a specific type of CPU? (a) Linking (b) Execution (c) Loading
(d) Compilation
Correct answer is (d)
14. When creating a program, syntax errors are detected by which of the following? (a) Linkers (b) Debuggers (c) Compilers (d) Word processors Correct answer is (c)
15. The commands that you write in a high-level language are referred to as _____ code. (a) source (b) object (c) language
(d) operational
Correct answer is (a)
16. In the programming phase of the software development process, which process translates the human-readable programming language instructions into machine-readable instructions for a specific type of CPU? (a) Compilation (b) Execution (c) Loading (d) Linking
Correct answer is (a)
16. What kind of language is useful when a programmer needs to manipulate what happens at the hardware level directly? (a) Device (b) Low-level (c) Scripting (d) High-level
Correct answer is (b)
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尊重他人的劳动成果是一种美德
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Multiple-Choice Quiz 17
1. If a MIME designation in a file attached to an email has the name \email reader interprets this to mean which of the following?
(a) The file is a text file that should be interpreted by a client application that understands HTML information.
(b) The file contains text-based information, requiring the use of a text editor. (c) The HTML program file in the text folder should be used to interpret this file. (d) The file should be saved to the client's disk using the name \ Correct answer is (a)
2. Embedding different types of data, such as sound and graphics, within Internet electronic mail requires which of the following formats to be used for encoding the data? (a) MIME (b) TCP/IP (c) Encryption (d) GIF
Correct answer is (a)
3. Which of the following correctly characterizes the part of the email address after the @ (the \
(a) The computer name of the recipient's computer (b) The Web server of the recipient (c) The IP address of the recipient's computer (d) The email server name on which the recipient has an account Correct answer is (d)
4. Web page URLs begin with (a) page:// (b) www:// (c) url:// (d) http://
Correct answer is (d)
Multiple-Choice Quiz 18
1. The numbers in IP addresses are separated by (a) exclamation points (b) colons (c) periods (d) commas
Correct answer is (c)
2. An IP address is a set of four numbers between 0 and (a) 128 (b) 16 (c) 255 (d) 24
Correct answer is (c)
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尊重他人的劳动成果是一种美德
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3. What top-level domain belongs to computers in the category of professional and nonprofit organizations? (a) edu (b) npo (c) org (d) com
Correct answer is (c)
4. What top-level domain belongs to computers in the category of commercial businesses? (a) bus (b) bsn (c) org (d) com
Correct answer is (d)
5. ISPs can be accessed by which of the following ways? Telephone lines
Cable television systems Personal satellite dishes (a) I, II, and III (b) II only (c) I and II only (d) I only Correct answer is (a)
6. What knits the Internet together and allows data to travel smoothly over the communications links provided by NSPs worldwide? (a) HTTP (b) TCP/IP (c) FTP (d) URL
Correct answer is (b)
7. Networks typically use _____ cable. (a) coaxial (b) twisted pair (c) NIC
(d) wireless
Correct answer is (b)
8. What networks are useful in environments where wiring is difficult to install? (a) Wireless (b) Wirefree (c) Coaxial
(d) Twisted pair
Correct answer is (a)
9. What top-level domain belongs to computers in the category of networks and ISPs? (a) net (b) adm
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尊重他人的劳动成果是一种美德
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(c) int (d) html
Correct answer is (a)
Multiple-Choice Quiz 19
1. Which of the following components are required for an email system? Email server software Post office software Email client software (a) II and III only (b) I and II only (c) I, II, and III (d) I and III only
Correct answer is (d)
2. Which of the following is (are) true about a server in a client-server system?
The server accepts requests from clients, performs some function, and returns the results. A Web server is needed to host a website.
Servers do not normally run user programs, so they are more likely to be reliable and stable. (a) III only (b) I and II only (c) I only
(d) I and III only
Correct answer is (b)
3. A browser that receives and processes a Java applet is an example of a (a) forwarding client (b) thin client (c) store-and-forward technology (d) thick client
Correct answer is (d)
4. When you send an email to someone, it is sent to (a) the sender's email client (b) the recipient's email server (c) the sender's email server (d) the recipient's computer Correct answer is (b)
5. Which of the following are valid examples of client-server systems on the Internet? Reading messages on a newsgroup application
Reading and sending email messages through an email application Receiving Web pages through a browser application (a) I, II, and III (b) II and III only (c) I and III only (d) I and II only
Correct answer is (a)
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尊重他人的劳动成果是一种美德
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Your score on this question is: 25.00
6. Which of the following is (are) true about thick and thin clients in a client-server system? Thin clients perform relatively little work. A Web browser is an example of a thick client.
A handheld computer is a typical example of a thin client. (a) I, II, and III (b) I only (c) III only
(d) I and III only
Correct answer is (d)
Multiple-Choice Quiz 20
1. Which of the following is a service that transports data digitally over dial-up or dedicated telephone lines. (a) Demodulation (b) ISDN
(c) Voiceband (d) POTS
Correct answer is (b)
2. Effective communication depends on the efficiency of the coding process and the channel's resistance to electrical interference called (a) noise (b) waveforms (c) receiver flow (d) parity
Correct answer is (a)
3. Which of the following connections uses shared bandwidth, resulting in reduced speeds when a large number of users are online? (a) T1 (b) ISDN
(c) Cable modems
(d) Telephone modem Correct answer is (c)
4. What signals typically represent an unlimited range of values and have a smooth curved waveform? (a) Hertz
(b) Wavelength (c) Digital (d) Analog
Correct answer is (d)
5. Modems transfer data between computers by converting between (a) Ethernet and digital (b) analog and digital (c) video and sound
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尊重他人的劳动成果是一种美德