计算机导论选择题quiz1-7

1.
A computer processes data in a device called the
错误！未找到引用源。 错误！未找到引用源。(a) device driver 错误！未找到引用源。 错误！未找到引用源。(b) URL 错误！未找到引用源。 错误！未找到引用源。(c) server 错误！未找到引用源。 错误！未找到引用源。(d) CPU Correct answer is (d)
2.
Which of the following is (are) true about computers? I. II. III. They accept input. They store data. They produce output.
错误！未找到引用源。 错误！未找到引用源。(a) II only 错误！未找到引用源。 错误！未找到引用源。(b) I, II, and III 错误！未找到引用源。 错误！未找到引用源。(c) I and III only 错误！未找到引用源。 错误！未找到引用源。(d) II and III only Correct answer is (b)
3.
Which of the following can supply input to a computer? I. II. III. A person The environment Another computer
错误！未找到引用源。 错误！未找到引用源。 (a) I, II, and III 错误！未找到引用源。 错误！未找到引用源。 (b) I only 错误！未找到引用源。 错误！未找到引用源。 (c) III only 错误！未找到引用源。 错误！未找到引用源。 (d) I and II only Correct answer is (a)
4.
Computers that operate in essentially the same way are said to be 错误！未找到引用源。 错误！未找到引用源。 (a) integrated
错误！未找到引用源。 错误！未找到引用源。 (b) compatible (c) 错误！ 未找到引用源。 错误！ 未找到引用源。 compound 错误！未找到引用源。 错误！未找到引用源。 (d) user-friendly Correct answer is (b)
5.
A computer file is a named collection of data that exists on which of the following? I. II. III. Optical disk (CD or DVD) Floppy disk Hard disk
错误！未找到引用源。 错误！未找到引用源。(a) II and III only 错误！未找到引用源。 错误！未找到引用源。(b) III only 错误！未找到引用源。 错误！未找到引用源。(c) I, II, and III 错误！未找到引用源。 错误！未找到引用源。(d) I only Correct answer is (c)
1.
Which of the following is (are) true regarding the comparison between transistors and vacuum tubes? I. II. Transistors are smaller and more reliable than vacuum tubes. Vacuum tubes are more energy efficient than transistors.
错误！ 错误！未找到引用 源。(a) I and II 错误！ 错误！未找到引用 源。(b) None 错误！ 错误！未找到引用 源。(c) II only 错误！ 错误！未找到引用 源。(d) I only Correct answer is (d)
2.
Which of the following statements concerning microprocessors is correct? 错误！未找到引用源。 错误！未找到引用源。(a) Microprocessors can only be programmed for a single
purpose. 错误！未找到引用源。 错误！未找到引用源。(b) Microprocessors cannot be programmed after they are 引用源 manufactured. 错误！未找到引用源。

错误！未找到引用源。(c) Most microprocessors are as big as a human hand. 错误！未找到引用源。 错误！未找到引用源。(d) Microprocessors consist of integrated circuits. Correct answer is (d)
3.
Which of the following is (are) true regarding the Pascaline? I. II. III. It is an electronic calculating device. It uses vacuum tubes for performing mathematical operations. It uses punched cards for storing program instructions.
错误！未找到引用源。 错误！未找到引用源。(a) None 错误！未找到引用源。 错误！未找到引用源。(b) II and III only 错误！未找到引用源。 错误！未找到引用源。(c) I and III only 错误！未找到引用源。 错误！未找到引用源。(d) I only Correct answer is (a)
4.
Which of the following is (are) true regarding the use of punched cards in computers? I. II. Punched cards use a technique that was originally used in Jacquard looms. Punched cards can be used to store program instructions, but not data.
错误！ 错误！未找到引用 源。(a) II only 错误！ 错误！未找到引用 源。(b) I only 错误！ 错误！未找到引用 源。(c) None 错误！ 错误！未找到引用 源。(d) I and II Correct answer is (b)
5.
Which of the following describes the functionality of an Intelligent Agent that is used in a customer relationship management system? 错误！未找到引用源。 错误！未找到引用源。(a) An Intelligent Agent is a database that gathers information about the customer base, marketing effectiveness, and market trends in order to learn more
about customers' behaviors. 错误！未找到引用源。 错误！未找到引用源。(b) An Intelligent Agent is a program that collects information about a user's behavior, and customizes the content on a Web site accordingly. 错误！ 未找到引用源。 An Intelligent Agent enables customers to search a consumer Web (c) 错误！ 未找到引用源。 site. 错误！未找到引用源。 错误！未找到引用源。(d) An Intelligent Agent is a program that keeps track of the product database, work schedule, and budget of a project. Correct answer is (b)
6.
Which of the following is (are) true regarding the application of computers in the education field? I. II. Simulation-based education can be used for medical training, molecular modeling, and military training. Computers can be programmed to provide language training and to correct the pronunciation errors users make.
错误！ 错误！未找到引用 源。(a) II only 错误！未找到引用 错误！ 源。(b) None 错误！ 错误！未找到引用 源。(c) I and II 错误！ 错误！未找到引用 源。(d) I only Correct answer is (c)
7.
Which of the following is (are) true regarding the abacus? I. II. The abacus was first used in India. Calculations are done using the abacus by manually moving beads.
错误！ 错误！未找到引用 源。(a) None 错误！ 错误！未找到引用

源。(b) I and II 错误！ 错误！未找到引用 源。(c) I only 错误！ 错误！未找到引用 源。(d) II only Correct answer is (d)
8.
Which of the following is (are) true regarding the Analytical Engine designed by Charles Babbage? I. II. It was designed to be a general-purpose calculating device. It included the concepts of input, process, storage, and output of data.
错误！ 错误！未找到引用 源。(a) None 错误！ 错误！未找到引用 源。(b) I and II 错误！ 错误！未找到引用 源。(c) I only 错误！ 错误！未找到引用 源。(d) II only Correct answer is (b)
1.
Which of the following statements is (are) true about transistors? I. II. They consist of microscopic circuit elements, such as wires, transistors, capacitors, and resistors, packed on a thin slice of silicon. They were used to replace vacuum tubes in computer systems.
错误！未找到引用 错误！ 源。(a) None 错误！ 错误！未找到引用 源。(b) I and II 错误！ 错误！未找到引用 源。(c) I only 错误！ 错误！未找到引用 源。(d) II only Correct answer is (d)
2.
Which of the following statements about transistors and vacuum tubes is (are) true? I. II. III. Transistors are smaller than vacuum tubes. Transistors burn out faster than vacuum tubes. A computer that uses transistors would require more power than a computer that uses vacuum tubes.
错误！未找到引用源。 错误！未找到引用源。(a) I and II only 错误！未找到引用源。 错误！未找到引用源。(b) II and III only
错误！未找到引用源。 错误！未找到引用源。(c) III only 错误！未找到引用源。 错误！未找到引用源。(d) I only Correct answer is (d)
3.
Which of the following is (are) true regarding the Pascaline? I. II. III. It is an electronic calculating device. It uses vacuum tubes for performing mathematical operations. It uses punched cards for storing program instructions.
错误！ 错误！未找到引用源。 未找到引用源。(a) I and III only 错误！ 错误！未找到引用源。 未找到引用源。(b) None 错误！未找到引用源。 错误！未找到引用源。(c) II and III only 错误！ 错误！未找到引用源。 未找到引用源。(d) I only Correct answer is (b)
4.
Which of the following statements concerning microprocessors is correct? 错误！未找到引用源。(a) Microprocessors cannot be programmed after they are 错误！未找到引用源。 manufactured. 错误！未找到引用源。 错误！未找到引用源。(b) Microprocessors consist of integrated circuits. 错误！未找到引用源。 错误！未找到引用源。(c) Microprocessors can only be programmed for a single purpose. 错误！未找到引用源。 错误！未找到引用源。(d) Most microprocessors are as big as a human hand.
Correct answer is (b)
5.
Which of the following is (are) true regarding the application of computers in the business fie

ld? I. II. Computers can be used in supply chain management both for tracking the supply of raw materials as well as the supply of finished products. Customer-relationship-management software systems enable customers to place orders and provide mechanisms to process placed orders.
错误！ 错误！未找到引用 源。(a) I and II 错误！ 错误！未找到引用
源。(b) None 错误！ 错误！未找到引用 源。(c) I only 错误！ 错误！未找到引用 源。(d) II only Correct answer is (c)
6.
Which of the following is (are) true regarding the comparison between transistors and vacuum tubes? I. II. Transistors are smaller and more reliable than vacuum tubes. Vacuum tubes are more energy efficient than transistors.
错误！ 错误！未找到引用 源。(a) I only 错误！ 错误！未找到引用 源。(b) I and II 错误！ 错误！未找到引用 源。(c) None 错误！未找到引用 错误！ 源。(d) II only Correct answer is (a)
7.
Which of the following is (are) true regarding the use of punched cards in computers? I. II. Punched cards use a technique that was originally used in Jacquard looms. Punched cards can be used to store program instructions, but not data.
错误！ 错误！未找到引用 源。(a) None 错误！ 错误！未找到引用 源。(b) II only 错误！ 错误！未找到引用 源。(c) I only 错误！ 错误！未找到引用 源。(d) I and II Correct answer is (c)
8.
Which of the following is (are) true regarding the Analytical Engine designed by Charles Babbage? I. It was designed to be a general-purpose calculating device.
II.
It included the concepts of input, process, storage, and output of data.
错误！ 错误！未找到引用 源。(a) I and II 错误！ 错误！未找到引用 源。(b) II only 错误！ 错误！未找到引用 源。(c) None 错误！ 错误！未找到引用 源。(d) I only Correct answer is (a)
1.
What is the decimal equivalent of the binary number 1101010? 错误！ 错误！未找到 引用源。 引用源。(a) 104 错误！ 错误！未找到 引用源。 引用源。(b) 110 错误！ 错误！未找到 引用源。 引用源。(c) 106 错误！ 错误！未找到 引用源。 引用源。(d) 108
Correct answer is (c)
2.
Which of the following is approximately equivalent to 160,000,000 bytes? I. II. III. 160 Megabytes 16 Nanobytes 0.16 Gigabytes

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