计算机导论选择题quiz1-7(3)

Correct answer is (c)
5.
Which of the following manufacturers provides the Pentium family of processors for desktop computers? 错误！ 错误！ 未找到引 用源。 (a) 用源。 AMD 错误！ 未找到引 错误！ 用源。 (b) 用源。 Intel
错误！ 未找到引 错误！ 用源。 用源。(c) Cyrix 错误！ 未找到引 错误！ 用源。 用源。(d) IBM Correct answer is (b)
6.
The list of instructions that a CPU is able to execute is known as its 错误！未找到引用源。 错误！未找到引用源。(a) operands 错误！未

找到引用源。 错误！未找到引用源。(b) op codes 错误！未找到引用源。 错误！未找到引用源。(c) glossary 错误！未找到引用源。 错误！未找到引用源。(d) instruction set
Correct answer is (d)
7.
Which of the following components is (are) typically found on the motherboard of a computer? I. II. III. Expansion slots The microprocessor The CMOS memory chip
错误！ 未找到引用源。 (a) 错误！ 未找到引用源。 I, II, and III 错误！ 未找到引用源。 (b) 错误！ 未找到引用源。 I and II only 错误！ 未找到引用源。 (c) 错误！ 未找到引用源。 I and III only 错误！ 未找到引用源。 (d) 错误！ 未找到引用源。 II only Correct answer is (a)
8.
The microprocessor in a multi-purpose computer is also known as the 错误！ 错误！未找到 引用源。(a) 引用源 PCI 错误！ 错误！未找到 引用源。 引用源。(b) RAM
错误！ 错误！未找到 引用源。 引用源。(c) VGA 错误！ 错误！未找到 引用源。 引用源。(d) CPU Correct answer is (d)
9.
Which of the following is (are) true of ROM? I. II. ROM is volatile. The instructions needed to boot a computer are typically stored in ROM.
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 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) I only Correct answer is (a)
10.
In order to retain data for future reference, volatile storage requires
错误！未找到引用源。 错误！未找到引用源。(a) the use of magnetism 错误！未找到引用源。 错误！未找到引用源。(b) media that can be removed from the computer 错误！未找到引用源。 错误！未找到引用源。(c) a constant source of electrical power 错误！未找到引用源。 错误！未找到引用源。(d) the use of optical media Correct answer is (c)
11.
What is an area in the computer system unit that temporarily holds data before and after it is processed until the computer is turned off?
错误！未找到引用源。 错误！未找到引用源。(a) RAM 错误！未找到引用源。 错误！未找到引用源。(b) ROM 错误！未找到引用源。 错误！未找到引用源。(c) CMOS 错误！未找到引用源。 错误！未找到引用源。(d) Hard disk drive
Correct answer is (a)
12.
Of the following types of memory, which is least expensive?
错误！ 错误！未找到引用 源。(a) Register 错误！ 错误！未找到引用 源。(b) L2 Cache 错误！ 错误！未找到引用 源。(c) L1 Cache 错误！ 错误！未找到引用 源。(d) DRAM Correct answer is (d)
13.
Consider Computer A, which uses a 1.2-GHz CPU, and Computer B, which uses a 1-GHz CPU. For any given program P, which of the following is true?
错误！未找到引用源。 错误！未找到引用源。(a) It cannot be determined whether program P will run faster on co

mputer A or on computer B without knowing more about program P. 错误！未找到引用源。 错误！未找到引用源。(b) Program P runs faster on Computer B than it does on computer A. 错误！未找到引用源。 错误！未找到引用源。(c) Program P runs faster on Computer A than it does on computer B. 错误！未找到引用源。(d) It takes the same amount of time for program P to run on 错误！未找到引用源。 computer A as it does on computer B. Correct answer is (a)
14.
Which of the following memory types holds data but requires very little power to retain its contents?
错误！未找到引用源。 错误！未找到引用源。(a) CMOS 错误！未找到引用源。 错误！未找到引用源。(b) Virtual memory 错误！ 找到引用源。 错误！未找到引用源。(c) RDRAM 错误！未找到引用源。 错误！未找到引用源。(d) RAM Correct answer is (a)
15.
Components of the CPU typically include which of the following? I. II. The control unit The Level 1 cache memory
III.
The Arithmetic/Logic Unit
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 and II 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) II and III only Correct answer is (a)
16.
A computer clock with a speed of 100 MHz cycles how many times per second?
错误！ 未找到引用源。 (a) 错误！ 未找到引用源。 100 错误！ 未找到引用源。 (b) 错误！ 未找到引用源。 100,000,000 (c) 错误！ 未找到引用源。 错误！ 未找到引用源。 1,000 错误！ 未找到引用源。 (d) 错误！ 未找到引用源。 100,000 Correct answer is (b)
17.
Which of the following types of memory typically holds computer configuration settings and is powered by a small battery?
错误！ 错误！未找到引 用源。 用源。(a) CMOS 错误！未找到引 错误！ 用源。 用源。(b) ROM 错误！ 错误！未找到引 用源。 用源。(c) Flash 错误！ 错误！未找到引 用源。 用源。(d) Cache Correct answer is (a)
18.
Which of the following is (are) true of modern microprocessors? I. II. Microprocessor chips are typically the size of a deck of cards. Microprocessors typically contain millions of 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) 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) None Correct answer is (b)
1.
Input devices for a computer include which of the following? I. II. III. Digital cameras Scanners Speakers
错误！ 未找到引用源。 (a) 错误！ 未找到引用源。 III only 错误！ 未找到引用源。 (b) 错误！ 未找到引用源。 I, II, and III 错误！ 未找到引用源。 (c) 错误！ 未找到引用源。 I and II o

nly (d) 错误！ 未找到引用源。 错误！ 未找到引用源。 I and III only Correct answer is (c)
2.
Ethernet cards are used to provide a computer a connection to which of the following? 错误！未找到引用源。 错误！未找到引用源。(a) Another computer via the telephone lines 错误！未找到引用源。 错误！未找到引用源。(b) Local area networks 错误！未找到引用源。 错误！未找到引用源。(c) High speed input/output devices 错误！未找到引用源。(d) Large capacity storage 错误！未找到引用源。 devices
Correct answer is (b)
3.
Which of the following is a relatively new and flexible interface for connecting many perse input/output devices to a computer through a single port? 错误！未找到引用源。 错误！未找到引用源。 (a) AGP 错误！未找到引用源。 错误！未找到引用源。
(b) parallel port 错误！未找到引用源。 错误！未找到引用源。 (c) serial port 错误！未找到引用源。 错误！未找到引用源。 (d) USB Correct answer is (d)
4.
Which of the following is (are) true of USB computer connections? I. II. A USB hub can support up to 127 devices. Typically, USB devices can be connected without restarting the computer.
错误！ 错误！未找到引用 源。(a) I only 错误！ 错误！未找到引用 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) II only Correct answer is (c)
5.
Which of the following is (are) true of a bus on the motherboard? I. II. III. A bus is not critical to the overall performance of a computer system. A bus is used to transport data between components on the motherboard. The CPU and other components use a bus to read and write data into RAM.
错误！未找到引用源。 错误！未找到引用源。(a) I and III only 错误！未找到引用源。 错误！未找到引用源。(b) I and II 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) II and III only Correct answer is (d)
6.
A monitor is primarily which kind of device? 错误！未找到引用源。(a) An 错误！未找到引用源。 output device 错误！未找到引用源。 错误！未找到引用源。(b) A
memory device 错误！未找到引用源。 错误！未找到引用源。(c) An input device 错误！未找到引用源。 错误！未找到引用源。(d) A storage device Correct answer is (a)
7.
Which of the following are primarily input devices? I. II. III. Mouse Scanner Printer
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) I, II, and III 错误！未找到引用源。 错误！未找到引用源。(d) I and III only Correct answer is (a)
8.
Which of th

e following is (are) true of computer printers? I. II. Typically, ink-jet printers have a lower cost per page than laser printers. Ink-jet printers are typically faster than laser printers.
错误！ 错误！未找到引用 源。(a) None 错误！ 错误！未找到引用 源。(b) I only 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 and II Correct answer is (a)
9.
Which of the following are true of Universal Serial Bus (USB)? I. II. A large number of devices can potentially be interconnected using the USB. It is used with many types of devices for transferring large amounts of data.
III.
It supports existing serial- and parallel-port devices.
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) 引用源 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) I and II only Correct answer is (d)
10.
Which of the following are important considerations when purchasing a monitor? I. II. III. The number of resolution modes supported The different levels of color depth supported The size of the viewing area that can be projected
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) I, II, and III 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 and II only Correct answer is (b)
11.
Which of the following considerations is (are) important when purchasing a graphics card for a computer? I. II. III. The type of printer The type of bus interface to be used by the graphics card Whether the card has a graphics processor to speed up processing
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) 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)