计算机英语后练习题答案(1—3).doc

计算机英语课后练习题答案 Chapter 1 1.1 T T F F F 1. G 2. D 3. A 4. C 5. E 6. I 7. H 8. F 9. B 10. J hardware 2. digital 3. executes 4. software 5. modified 6. Firmware 7. users 8. disc 9. computers 1. Inputs are the signals or data received by the system, and outputs are the signals or data sent from it. 输入是系统所收到的信号或数据，输出是系统所发出的信号或数据。 2. Keyboards and mouses are considered input devices of a computer, while monitors and printers are considered output devices of a computer. 键盘和鼠标被认为是计算机的输入装置，而显示器和打印机被认为是计算机的输出装置。 3. Devices for communication between computers, such as modems and network cards, typically serve for both input and output. 计算机之间的通讯装置，例如调制解调器和网卡，通常起输入和输出作用。 4. The printer takes the information on your screen and transfers it to paper or a hard copy. 打印机接收您屏幕上的信息并将其转移到纸张或硬拷贝上。 5. A modem is used to translate information transferred through telephone lines or cable. 调制解调器是用来转换通过电话线或电缆传输的信息。 1.2 F T T T T 1. F 2. C 3. E 4. G 5. I 6. J 7. B 8. A 9. H 10. D 1. mainboard 2. MoBo 3. IBM-compatible 4. electrical connections 5. peripheral 6. main memory 7. components 8. devices 9. integrate 1. Motherboard is the body or mainframe of the computer, through which all other components interface. 主板是计算机的“身体”或主机，所有其他组件通过它而连接。 2. Central processing unit performs most of the calculations which enable a computer to function, sometimes referred to as the brain of the computer. 中央处理器执行使电脑发挥作用的大部分的计算，有时被称为计算机的“大脑”。 3. Computer fan is used to lower the temperature of the computer and the computer case will generally have several fans to maintain a constant airflow. 计算机风扇是用来降低计算机的温度，计算机机箱通常有几个风扇保持持续的空气流通。 4. Random Access Memory is the fast-access memory that is cleared when the computer is powered-down. 随机存取存储器是当计算机关闭时便清除记忆的快速存取储器。 5. Firmware is loaded from the read only memory (ROM) run from the Basic Input-Output System (BIOS). 固件是通过基于基本输入输出系统(BIOS)运行的只读存储器(ROM)加载。 1.3 F F F T F 1. D 2. G 3. B 4. F 5. A 6. J 7