大连理工大学13春《专业英语（计算机英语）》在线测试

大工13春《专业英语（计算机英语）》在线测试2
试卷总分：100
判断题
单选题
一、判断题（共 10 道试题，共 20 分。）
V
1. ERP is Enterprise resource planning software.（ ）
A. 错误
B. 正确
满分：2 分
2. A backup program makes a copy of files you select.（ ）
A. 错误
B. 正确
满分：2 分
3. Object Oriented Programming(OOP) is a programming method that combines data and the instructions for processing that data into a self-sufficient "object" that can be used in other programs.（ ）
A. 错误
B. 正确
满分：2 分
4. We abbreviate Virtual Private Networks to VPN.（ ）
A. 错误
B. 正确
满分：2 分
5. TCP provides reliable, full-duplex connections and reliable service by ensuring that data is resubmitted when transmission results in an error.（ ）
A. 错误
B. 正确
满分：2 分
6. View shortcut menus by right-clicking with the mouse.（ ）
A. 错误
B. 正确
满分：2 分
7. A traditional private WAN can be expensive to build and manage.（ ）
A. 错误
B. 正确
满分：2 分
8. Hardware also called a program, is the series of computer language coded instructions that tells the computer how to perform tasks.（ ）
A. 错误
B. 正确
满分：2 分
9. Linux is an operating system similar to Unix.（ ）
A. 错误
B. 正确
满分：2 分
10. Windows versions before Windows 95 rely on DOS as the operating system.（ ）
A. 错误
B. 正确
满分：2 分
大工13春《专业英语（计算机英语）》在线测试2
试卷总分：100
判断题
单选题
二、单选题（共 20 道试题，共 80 分。）
V
1. In a （ ） network, all microcomputers and other communication devices are connected to a continuous loop.
A. bus
B. star
C. tree
D. ring
此题选: D 满分：4 分
2. （ ） controls how you enter data or instructions and how information is displayed on the computer screen.
A. User interface
B. Language translators
C. Utilities programs
D. System software
满分：4 分
3. （ ）, fixed-maximum-length block of data for transmission. The packet also contains information about its destination.
A. Protocol
B. Node
C. Packet
D. Network
满分：4 分
4. （ ）, type of LAN that combines star, ring, bus networks, and etc.
A. Bus network
B. Star network
C. Ring network
D. Hybrid network
此题选: D 满分：4 分
5. （ ）, type of local area network(LAN) in which all communications devices are connected in a continuous loop and messages are passed around the ring until they reach the right destination. There is no central server.
A. Bus network
B. Star network
C. Ring network
D. Hybrid network
满分：4 分
6. A （ ） is a highly intelligent device that supports connectivity between both like and unlike LANs,and between LANs and WANs or MANs.
A. router
B. repeater
C. switch
D. bridge
满分：4 分
7. （ ）, short for modulator/demodulator, device that converts digital signals into a representation of analog form(modulation) to send over phone lines;a receiving modem then converts the analog signal back to a digital signal(demodulation).
A. Server
B. Network
C. Modem
D. Gateway
满分：4 分
8. （ ）, computer shared by several users in a network.
A. Protocol
B. Server
C. Network
D. Node
满分：4 分
9. （ ）, set of conventions governing the exchange of data between hardware and /or software components in a communications network.
A. Protocol
B. Node
C. Packet
D. Network
满分：4 分
10. （ ）, the protocol for transferring HTML files on the Web.
A. HTML
B. ISP
C. Client
D. Server
满分：4 分
11. （ ）, difference between the lowest and highest frequencies transmitted in a particular channel or system.
A. Amplitude
B. Bandwidth
C. Bridge
D. Network
满分：4 分
12. （ ）, software used in corporate networks (intranets and extranets) to prevent unauthorized people from accessing the network.
A. Firewall
B. Modem
C. Hypertext
D. TCP
满分：4 分
13. （ ） ,also known as service programs, perform specific tasks related to managing computer resources.
A. Utilities programs
B. System software
C. Operating system
D. none of the above
满分：4 分
14. （ ） is an acronym for local area network.It is a group of computers and other devices dispersed over a relatively limited area and connected by a communications link.
A. LAN
B. WAN
C. MAN
D. None of the above
满分：4 分
15. （ ） is a device that functions as both a router and a bridge.
A. Repeater
B. Switch
C. Gateway
D. Brouter
此题选: D 满分：4 分
16. （ ）, type of network in which all communications devices are connected to a common channel, with no central server.
A. Bus network
B. Star network
C. Ring network
D. none of the above
满分：4 分
17. （ ）, interface that enables dissimilar networks to communicate with one another.
A. Gateway
B. Bridge
C. Bandwidth
D. none of the above
满分：4 分
18. A （ ） channel allows simultaneous message exchange in both directions.It really consists of two simplex channels, a forward channel and a reverse channel,linking the same points.
A. half-duplex
B. full-duplex
C. simplex
D. none of the above
满分：4 分
19. In a （ ） network, all microcomputers and other communications devices are connected to a central hub, such as a file server or host computer, usually via (UTP).
A. bus
B. star
C. tree
D. ring
满分：4 分
20. （ ） is a subclass of software. It consists of a collection of programs that control the operations of a computer and its devices. It servers as the interface between the user and the computer hardware.
A. System software
B. Application software
C. Operating system
D. none of the above
满分：4 分