计算机导论试卷及答案

《计算机科学技术导论》模拟卷

一、Multiple Choice单选题（每个空2分，共40分）

1. Turing Machine is ( ).

A. the very first electronic computer

B. the first general-purpose computer

C. an abstract mathematical model

D. the first commercial computer

2.The transistor was used to make the main processing component in the hardware in the ( ) generation of computer.

A. first

B. second

C. third

D. fourth

3. In computing discipline we always analyze problems by removing complexity and details, leaving only the necessary information. This mental thinking way is ( ).

A. engineering

B. top-down design

C. simplicity

D. abstraction

4.813 is not a number in ( ) number system.

A. hexadecimal

B. decimal

C. octal

D. 12-base

5.The information in real world is often ( ) while computer can only represent ( ) information. This is a limitation of computing.

A. analog

B. decimal

C. binary

D. digital

6. The following are audio formats except ( ).

A. mp3

B. wav

C. gif

D. au

7.English is represented in ( ) character set.

A.ASCII

B. Unicode

C. neither ASCII nor Unicode

D. either ASCII or Unicode

8. Images can be represented in ( ).

A.raster-graphics format

B. vector-graphics format

C. either A or B

D. neither A nor B

9.The most fundamental operations performed by computer hardware is ( ).

A.logical functions such as NOT, AND and OR

B.arithmetic operations such as addition, subtraction and multiplication

C.instructions such as load, store and process

D.on or off of an electrical flow

10.In a ( ) circuit, the input values explicitly determine the output.

binational

B. sequential

C. S-R latch

D. register

11. Small storage area in CPU is called ( ).

A. register

B. memory

C. disk

D. ROM

12. The von Neumann architecture’s two primary components are its ( ) , which stores both instructions and data, and its processor, which provides operations for modifying the contents of the memory.

A. control unit

B. memory

C. input/output devices

D. secondary storage devices

13. Imperative programming languages are abstractions of the underlying von Neumann computer architecture. The central features of imperative languages are variables, which model the memory cells; and ( ), which model data transmitted from memory to the CPU.

A. assignment statements

B. Boolean expressions

C. conditional statements

D. looping statements

14. Object-oriented languages have an essential ingredient ( ) which enforces information hiding.

A. object

B. encapsulation

C. inheritance

D. polymorphism

15. The concept of process is defined as a ( ) in execution.

A. application

B. software

C. process

D. program

16. ( ) is the technique of keeping multiple programs in main memory at the same time.

A. Multimedia

B. Multiprogramming

C. Multiuser

D. Multiprocessor

17. In a(n) ( ), response time is crucial; a minimum response time is guaranteed to the user.

A. real-time system

B. time-sharing system

C. batch system

D. operating system

18. File extension indicates ( ).

A.file media type

B. file operation

C. file protection

D. file location

19. The World Wide Web is both an infrastructure of information and the network software used to access it. The Web is comprised of web sites and web pages connected by ( ) .

A. gateways

B. URLs

C. links

D. wires

二、Fill in the Blanks（每空2分，共20×2=40分）

1. The fundamental question underlying all of computing is: .