吉大 2011级计算机学院-计算机导论试题A卷
2011-2012学年 第1学期
2011 级《计算机导论》考试试题A卷
考试时间:2011年12 月
班级 学号 姓名
要求答案写在答题纸上,写上题号,不必抄题;
要求在每个大题号(I, II, III,IV,V)前划一个满页的横线,以便教师阅卷;
要求在答题纸和试题纸上都写上班级、学号和姓名,交卷时一并交上来。
I、Choice Questions(20 questions, 1 score for each question)
1. Every computer today is based on the _____ model.
a. von Neumann b. Microsoft c. Intel d. input/output
2. The output data depend on the combination of the _____ and the program.
a. memory size b. input data c. processor model d. processor speed
3. The uniform representation for storing data is called _____.
a. text b. a switch c. a bit pattern d. ISO
4. ______ is a code used by the Java langrage to represent characters..
a. ASCII b. Extended ASCII c. EBCDIC d. Unicode
5. How does a computer know what type of data a stored bit pattern represents? _____
a. It does not; computer memory just stores data as bit patterns.
b. By the location in memory.
c. The Header of the bit pattern indicates the data type.
d. By the size of the bit pattern.
6. The most common way to represent signed integers today is ______.
a. one's complement b. two's complement c. binary d. sign and magnitude
7. An algorithm ________.
a. is the same as a process
b. is the same as an application
c. is the same as a program
d. is a step by step problem solving method that is independent of a computer system
8. If you make a mask of all 0s and then AND the bit pattern and the mask, you will ______. a. complement the bits of the pattern
b. randomize the bits of the pattern
c. unset all the bits of the pattern
d. set all the bits of the pattern
9. The CPU is responsible for fetching instructions, one by one, from memory, storing them in the _____, interpreting them, and executing them.
a. cache b. data register c. memory d. instruction register
10. The _____ is a computer subsystem that performs operations on data.