计算机专业英语作业 (1
一、 Translate the following sentences into English or Chinese.
1.计算机
2.多媒体
3.硬件
4.软件
5.输入设备
6.存储器
7.外部设备 8.处理器
9.鼠标 10.语音识别
11.扫描仪 12.寄存器
13.Arithmetic and logic unit 14.Binary form
15.Control unit 16.Instruction cycle
17.Execution cycle 18.Central processing unit
19.Universal serial bus 20.Universal parallel bus
二、 For each of the following blanks, four choices are given. Choose the most appropriate one.
1.A personal computer keyboard includes .
a.a typewriter layout and a set of arrow keys
b.a numeric keypad
C.a Set of function keys
d.a11 of above
2.A display is a device that is used to display .
a.numbers letters
b.special characters
c. graphic information
d.all of above
3.system software includes and .
a.operating system and application software
b.operating system and programming language
c.special— purpose programs and application software
d.OS and special—purpose programs
4.Information flows from a computer into a peripheral device as .
a.output
b.memory
c.a program
d.input
5.programs are known collectively as .
a.secondary storage
b.software
c.stored programs
d.hardware
6.which is not common feature of most application software?
a.menus
b.toolbars
c.insertion point
d.alignment
7.Main memory holds .
a.data for processing
b.the program
rmation
d.all of above
8.The number of bits that can be Processed at one time is a
a.register
b.cycle
c.word
d.PROM
9.Data and instructions are stored in memory at location known as
a.address
b.byte
c.word
d.number
10.The central processing unit (CPU had two parts: and .
a.control unit and ALU
b.ALU and register
c.register and control unit
d.ALU and memory
11.A holds enough bits to store a single character.
a.word
b.bit
c.byte
d.two bytes
12.A location in memory is accessed by its .
a.address
b.content
c.value
d.digit
13.Which is not the actor that some microcomputer are more powerful than others .
a.Speed
b.capacity
c.flexibility
d.application
14.The CPU has two main parts。
a.the control unit and register
b.the con
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