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II. Identify whether the following statements are true or false.
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1. A computer is directed by a series of instructions called a computer program.
2. Purchased programs often are referred to as system software packages.
3. Most computer users write their own programs.
4. Application software consists of programs that tell a computer how to produce information.
5. A window is a small picture that is used to represent processing options.
6. One of the more common user interfaces is the graphical user interface which makes the software easier to use.
7. Programs required for common business and personal applications can be easily written by any PC user.
8. An important part of the application software is a set of programs called the operating system.
III. Explain the terms «computer software», «system software» and «application software». Compare your explanations with the following definitions:
- it’s a type of computer software which controls a computer’s internal functioning;
- it’s a type of computer software which directs the computer to execute commands that solve practical problems;
- instructions that tell a computer what to do;
- a series of instructions called a computer program that tells a computer what to do.
IV. Complete the sentences:
| 1) System software consists of | a) how to perform functions such as load, store, and execute a program and transfer data among the system devices and memory. |
| 2) Applications software consists of | b) what to do and the way the computer displays information and processing options to you. |
| 3) The instructions in the operation system tell the computer | c) programs that are related to controlling the actual operations of the computer equipment. |
| 4) Before any application software is run | d) word processing, electronic spreadsheet, presentation graphics, database, communications, and electronic mail software. |
| 5) A user interface is the way you tell the software | e) programs that tell the computer how to produce information. |
| 6) Some of the more widely used personal computer software packages are | f) the operating system must be loaded from the hard disk into the memory of the computer and started. |
V. Complete the following sentences using words and expressions given below.
1. A window is a rectangular... of the screen that is used to present information.
2. Purchased programs often are referred to as... software packages.
3. Some instructions allow data in memory to be used in calculations such as adding a series of numbers... a total.
4. The graphical user interface combines text and... to make the software easier to use.
5. Before computer programs can be..., the program instructions must be loaded from disk into the memory of the computer.
6. Many different operating systems are... for computers.
Available; application; to obtain; perform; graphics area
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