Unit 7 The Fundamentals of Computer Softwar are related by some structure 句子组成: whose引导定语从句, composed of。由组成。 翻译:数据结构是一种数据类型,其值是由通过某种结构相互关联的组成元素所构成的。 (2)In addition, there may be operations that act on its component elements 句子组成:tht引导定语从句,修饰 operations。 翻译:并且也可以作用于数据结构的组成元素。 (3)Such a structure is said to have a last-in/first-out(LIFo) behavior 句子组成: be said to,被动语态。 翻译:这就是所谓具有后进先出(IIFO性质或协议的结构。 (4) There are many applications of the first-in/first-out (FIFO) protocol of queues in 句子组成: application应用 翻译:队列的先进先出(FFO)协议在计算中有很多应用。 (5)The line of computing jobs waiting to be run on a computer system might also be a 句子组成: waiting to be run on a computer做jobs的定语, 翻译:在计算机中等待运行的计算作业也同样是一个队列。 Text 2 Operating Systems Exercises 1. Filll in the blanks (1)The most important program on any computer is the Operating System. (2)In other words, operating systems make computers user friendly (3) ROM contains the most essential programs that the computer needs in order to run correcty (4) Part of the operating system that contains these programs is stored on a computer's hard drive and is booted to RaM whenever the computer is turned on (5) Different computer manufacturers use different operating systems (6) There are different operating systems available for PCs, but the most common is ndowS (7) Upgrading an operating system can have several advantages, such as simplifying tasks 2. Decide whether the following statements are True or False (1)Operating systems are not unique to their manufacturers (2)When you purchase a new computer, an operating software suitable to the hardware (3) A program can use a device if that hardware is unavailable (4)Operating system sets up a directory of programs undergoing execution and the 110Unit 7 The Fundamentals of Computer Software 110 are related by some structure. 句子组成：whose 引导定语从句，composed of… 由…组成。 翻译：数据结构是一种数据类型，其值是由通过某种结构相互关联的组成元素所构成的。 (2) In addition, there may be operations that act on its component elements. 句子组成：that 引导定语从句，修饰 operations。 翻译：并且也可以作用于数据结构的组成元素。 (3) Such a structure is said to have a last-in/first-out (LIFO) behavior. 句子组成：be said to，被动语态。 翻译：这就是所谓具有后进先出（LIFO）性质或协议的结构。 (4) There are many applications of the first-in/first-out (FIFO) protocol of queues in computing. 句子组成：application 应用 翻译：队列的先进先出（FIFO）协议在计算中有很多应用。 (5) The line of computing jobs waiting to be run on a computer system might also be a queue. 句子组成：waiting to be run on a computer 做 jobs 的定语， 翻译：在计算机中等待运行的计算作业也同样是一个队列。 Text 2 Operating Systems Exercises 1. Fill in the blanks. (1) The most important program on any computer is the Operating System. (2) In other words, operating systems make computers user friendly. (3) ROM contains the most essential programs that the computer needs in order to run correctly. (4) Part of the operating system that contains these programs is stored on a computer's hard drive and is booted to RAM whenever the computer is turned on. (5) Different computer manufacturers use different operating systems. (6) There are different operating systems available for PCs, but the most common is Windows. (7) Upgrading an operating system can have several advantages, such as simplifying tasks and navigation. 2. Decide whether the following statements are True or False. (1) Operating systems are not unique to their manufacturers. (×) (2) When you purchase a new computer, an operating software suitable to the hardware must be bought. (√) (3) A program can use a device if that hardware is unavailable. (×) (4) Operating system sets up a directory of programs undergoing execution and the