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1. Which of the following kinds of projects typically requires a special type of CPU that would not be found in a desktop or mainframe computer?
(a) Looking up and storing information on customer accounts (b) Monitoring the operation of an automobile engine (c) Performing business calculations for a financial report (d) Processing requests to send and receive email Correct answer is (b)
2. Which of the following manufacturers provides the Pentium family of processors for desktop computers? (a) Intel (b) IBM (c) Cyrix (d) AMD
Correct answer is (a)
3. A computer clock with a speed of 100 MHz cycles how many times per second? (a) 100 (b) 100,000 (c) 1,000
(d) 100,000,000
Correct answer is (d)
4. Which of the following can be an advantage of buying a computer that contains a widely-used CPU or its equivalent clone? A lot of established computer suppliers provide products using that type of CPU.
The cost of the CPU is likely to be lower because of the large quantities of the CPU that have been sold.
There will be more operating systems that work with that type of CPU. (a) I, II, and III (b) I and II only (c) II and III only (d) I and III only
Correct answer is (a)
5. Of the following types of memory, which is least expensive? (a) Register (b) L1 Cache (c) DRAM
(d) L2 Cache
Correct answer is (c)
6. In order to retain data for future reference, volatile storage requires (a) the use of optical media (b) the use of magnetism
(c) media that can be removed from the computer (d) a constant source of electrical power Correct answer is (d)
7. An Arithmetic/Logic Unit typically performs which of the following operations?
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尊重他人的劳动成果是一种美德
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Retrieval of instructions from RAM
Performance of greater-than and less-than comparisons (a) None (b) I only (c) I and II (d) II only
Correct answer is (d)
8. Which of the following is (are) true of ROM? ROM is volatile.
The instructions needed to boot a computer are typically stored in ROM. (a) I only (b) None (c) I and II (d) II only
Correct answer is (d)
9. Which of the following types of memory typically holds computer configuration settings and is powered by a small battery? (a) Cache (b) Flash (c) CMOS (d) ROM Correct answer is (c)
10. 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? (a) It cannot be determined whether program P will run faster on computer A or on computer B without knowing more about program P.
(b) Program P runs faster on Computer B than it does on computer A. (c) Program P runs faster on Computer A than it does on computer B.
(d) It takes the same amount of time for program P to run on computer A as it does on computer B.
Correct answer is (a)
11. Which of the following is (are) true of modern microprocessors? Microprocessor chips are typically the size of a deck of cards. Microprocessors typically contain millions of transistors. (a) I only (b) I and II (c) None (d) II only
Correct answer is (d)
12. Where is a computer's CPU located? (a) On a floppy disk drive (b) On an expansion card (c) On a hard disk drive (d) On the motherboard
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尊重他人的劳动成果是一种美德
此份材料由08级C6-207寝室郑重出品
Correct answer is (d)
13. Which of the following components is (are) typically found on the motherboard of a computer?
Expansion slots The microprocessor The CMOS memory chip (a) I and III only (b) I and II only (c) I, II, and III (d) II only
Correct answer is (c)
14. When a computer is turned on, the central processing unit performs instructions specified by the _____ that searches the disk drive for the main operating system files. (a) RAM BIOS (b) CMOS (c) ROM BIOS
(d) virtual memory Correct answer is (c) 15.
The list of instructions that a CPU is able to execute is known as its (a) glossary (b) operands (c) instruction set (d) op codes
Correct answer is (c)
16. CPU performance is influenced by which of the following? Word size Clock rate
Instruction set size (a) I and II only (b) II only
(c) I and III only (d) I, II, and III
Correct answer is (d)
17. The microprocessor in a multi-purpose computer is also known as the (a) CPU (b) VGA (c) RAM (d) PCI
Correct answer is (a)
18. Components of the CPU typically include which of the following? The control unit
The Level 1 cache memory The Arithmetic/Logic Unit
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尊重他人的劳动成果是一种美德
此份材料由08级C6-207寝室郑重出品
(a) I and III only (b) II and III only (c) I, II, and III (d) I and II only
19. Which of the following is the primary function of a CPU? (a) To execute only the operating system's instructions
(b) To execute only the instructions within a user specified application (c) To execute any program's instructions stored in RAM
(d) To determine if a program functions correctly before using it Correct answer is (c)
20. Which of the following memory types holds data but requires very little power to retain its contents? (a) RAM
(b) Virtual memory (c) RDRAM (d) CMOS
Correct answer is (d)
21. Steps performed by the CPU during the fetch-execute cycle include which of the following? Interpret Store
(a) I and II (b) II only (c) I only (d) None
Correct answer is (a)
22. 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? (a) CMOS (b) RAM
(c) Hard disk drive (d) ROM
Correct answer is (b)
23. Which of the following is the primary function of a CPU? (a) To execute any program's instructions stored in RAM
(b) To determine if a program functions correctly before using it
(c) To execute only the instructions within a user specified application (d) To execute only the operating system's instructions Correct answer is (a)
24. The budget processor produced by Intel is called the (a) Celeron (b) K6
(c) Pentium (d) Athlon
Correct answer is (a)
材料提供者：周玺昊、胡开斌、汪柄辰、石峥、詹民拥、王志超、李江东、王鹏、张磊、赵可可
尊重他人的劳动成果是一种美德
此份材料由08级C6-207寝室郑重出品
Multiple-Choice Quiz 5
1. Ethernet cards are used to provide a computer a connection to which of the following? (a) Large capacity storage devices
(b) Another computer via the telephone lines (c) Local area networks
(d) High speed input/output devices Correct answer is (c)
2. Desktop computer expansion slots include which of the following? PCMCIA PCI AGP
(a) II and III only (b) I and II only (c) I, II, and III (d) I and III only
Correct answer is (a)
3. Which of the following is (are) true of a bus on the motherboard? 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. (a) I, II, and III (b) I and III only (c) II and III only (d) I and II only Correct answer is (c)
4. Which of the following considerations is (are) important when purchasing a graphics card for a computer?
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 (a) I and II only (b) I, II, and III (c) I and III only (d) II and III only
Correct answer is (d)
5. Which of the following is a relatively new and flexible interface for connecting many diverse input/output devices to a computer through a single port? (a) USB (b) AGP
(c) serial port (d) parallel port
Correct answer is (a)
6. A parallel port can be used to connect a computer to a
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尊重他人的劳动成果是一种美德