Pt1420 Unit 2 Study Guide
1 Define what is meant by: (i) an input device[1] (ii) an output device[1]
(iii) A local hockey league is run by a secretary from home. The secretary is responsible for all fixtures and league tables.The secretary is blind and uses her home computer for carrying out the necessary tasks.State a suitable hardware peripheral for each of input, output and storage, which the secretary could use. Justify your choices. [6]
2 (a) Define the following types of software:
(i) operating system[1]
(ii) applications software [1]
(b) (i) Explain the difference between custom-written software and off-the-shelf software.[2] (ii) Explain four advantages of using off-the-shelf software.[4]
(c) A student is completing a project for submission to the Geography department about rainfall in their area. …show more content…
Explain how the student could use the following software:
(i) word processor[1]
(ii) spreadsheet[1]
(iii) desktop publishing[1]
(d) The student uses a single-user, multi-tasking operating system.
Describe what is meant by a single-user, multi-tasking operating system.[4]
3 (i) State what is meant by a real-time operating system.[1]
(ii) Describe an application which needs to be carried out in real time.[1]
(iii) Explain why your choice needs to be a real-time application.[2]
4 Describe the following methods of automated data capture. Give an example, in each case, of an application where it would be used.
(i) Optical Mark Recognition (OMR)[3]
(ii) Optical Character Recognition (OCR)[3]
5 (a) Define the terms:
(i) hardware
(ii) software[2]
A supermarket has a number of point-of-sale terminals. Data is read from goods at the terminals and information is
produced.
(b) State two output devices which would be used at the point-of-sale, giving a reason for each[4]
(c) State three types of output needed at the point-of-sale terminals. For each type of output explain why the output is needed. [6] (d) The management of the supermarket use a number of different types of software.
State what each of the following types of software would be used for.
Give a feature of each which makes it suitable for their use.
(i) Desktop publishing (DTP) [2]
(ii) Presentation software [2]
6 Describe four functions of an operating system. [8]
7Describe how the stock in a shop can be controlled automatically by a computer system. [6]
8A large college has a cafeteria and an automated snack bar. Only staff and students of the college are allowed to purchase food and drink there. The college decides to computerise the accounts of the cafeteria. The manager needs to decide between using off-the-shelf software or custom-written software.
(a) Explain the difference between off-the-shelf and custom-written software. [2]
(b) State three advantages of using off-the-shelf software in this situation. [3]
(c)Staff and students who buy food are identified by the system. Their purchases are charged to their accounts. These accounts are paid off at the end of each term.
(i) Each student carries a magnetic stripe card to use with the system. Describe how such a card works. [2]
(ii) The total value of the goods which a person has bought is shown at a checkout. Each person is given a statement, informing them what they currently owe, at the end of each month.
(1) Explain what is meant by a batch operating system and state which of the two processes would be carried out by a batch operating system. [3]
(2) State a type of operating system which could be used for the other process described and justify your choice. [2]
9. A computer controlled machine on a production line is designed to produce components for cars.
When the firm decides to change the car model, the machine must be reprogrammed.
(a) State what is meant by
(i) custom-written software,
(ii) generic applications software. [2]
(b) State which of the types of software in (a) is appropriate as the software for the computer controlled machine and justify your answer. [3]
10. When a book is sent to the company by an author, it is sent in hard copy form as well as on a disk. It is read and, if accepted, is then sent electronically to a person called a copy editor. The copy editor reformats the text to make it suitable for publication.
(a) Explain why the original copy of the book is in
(i) hard copy form; [2]
(ii) electronic form on a disk. [2]
(b) The company needs all the copy editors to be using the same software for preparing the finished books. A decision has to be made between using custom-written software and off-the-shelf software. Describe the difference between the two types and explain why the company would choose to use an off-the-shelf software package. [4]
(c) State the purpose of each of the following pieces of utility software and say how each would be used by the copy editors.
(i) Disk formatting. [2]
(ii) File handling. [2]
(iii) Hardware drivers. [2]
(iv) File compression. [2]
(v) Virus checker. [2]
11 An office worker is responsible for communicating with other businesses and managing the computer systems in the office.
(a) The worker needs to
(i) send letters to customers,
(ii) keep a record of expenditure,
(iii) keep records of customers.
State types of software which would be used for each of these tasks. [3] (b) State a sensible use that the office worker could make of
(i) a hard disk,
(ii) a rewritable CD (CD-RW),
(iii) a CD-ROM. [3]
12 (a) Define the following modes of computer system use.
(i) Batch.
(ii) Real-time.
(iii) On-line.
(iv) Off-line. [4]
(b) At the end of each day, the workers in a factory send, to the accounts department, the details of the time that they have been at work. They are paid at the end of each week.
Choose two of the modes of use in part (a) which would be sensible to use in this example.
Justify your answers. [4]
13. 2 Goods in a shop are labelled with barcodes. These barcodes are used when goods are sold at the checkout. The shop uses a computer system, attached to the checkout, to store a file of records relating to the goods on sale.
(a) State appropriate peripheral hardware for this system, justifying your choices. [8]
(b) Describe how the system can be used to maintain levels of stock in the shop. [6]
14 A computer system is used in a tourist souvenir shop.
Customers can have their pictures taken. The picture is stored on the system. After the customer approves the image it is printed onto a T-shirt.
Explain how this system works, by describing the hardware, software and data storage. [6]
15 (a) A medical centre has a computer system. State how each of the following types of software could be used at the medical centre.
(i) Desktop publisher
(ii) Presentation software
(iii) Database software
(iv) Communication software [4]
(b) Identify an application area in the medical centre for which custom-written software is appropriate. Justify your answer. [2]
16. A printer is a hard copy output device.
State three different types of printer.
For each of your choices give an example of an application where it would be used, justifying your choice. [9]
17A computer system controls a cashcard machine (ATM).
(a) For each of the following, state one device that could be used in the ATM and state what it would be used for.
(i) Input
(ii) Output
(iii) Storage [6]
(b) The operating system, used by the computer controlling the ATM, must work in both batch and real-time modes.
(i) State what is meant by a batch processing operating system and explain why it would be necessary in the ATM. [3]
(ii) State what is meant by a real-time operating system and explain why it would be necessary in the ATM. [3]
(iii) A local hockey league is run by a secretary from home. The secretary is responsible for all fixtures and league tables.The secretary is blind and uses her home computer for carrying out the necessary tasks.State a suitable hardware peripheral for each of input, output and storage, which the secretary could use. Justify your choices. [6]
2 (a) Define the following types of software:
(i) operating system[1]
(ii) applications software [1]
(b) (i) Explain the difference between custom-written software and off-the-shelf software.[2] (ii) Explain four advantages of using off-the-shelf software.[4]
(c) A student is completing a project for submission to the Geography department about rainfall in their area. …show more content…
Explain how the student could use the following software:
(i) word processor[1]
(ii) spreadsheet[1]
(iii) desktop publishing[1]
(d) The student uses a single-user, multi-tasking operating system.
Describe what is meant by a single-user, multi-tasking operating system.[4]
3 (i) State what is meant by a real-time operating system.[1]
(ii) Describe an application which needs to be carried out in real time.[1]
(iii) Explain why your choice needs to be a real-time application.[2]
4 Describe the following methods of automated data capture. Give an example, in each case, of an application where it would be used.
(i) Optical Mark Recognition (OMR)[3]
(ii) Optical Character Recognition (OCR)[3]
5 (a) Define the terms:
(i) hardware
(ii) software[2]
A supermarket has a number of point-of-sale terminals. Data is read from goods at the terminals and information is
produced.
(b) State two output devices which would be used at the point-of-sale, giving a reason for each[4]
(c) State three types of output needed at the point-of-sale terminals. For each type of output explain why the output is needed. [6] (d) The management of the supermarket use a number of different types of software.
State what each of the following types of software would be used for.
Give a feature of each which makes it suitable for their use.
(i) Desktop publishing (DTP) [2]
(ii) Presentation software [2]
6 Describe four functions of an operating system. [8]
7Describe how the stock in a shop can be controlled automatically by a computer system. [6]
8A large college has a cafeteria and an automated snack bar. Only staff and students of the college are allowed to purchase food and drink there. The college decides to computerise the accounts of the cafeteria. The manager needs to decide between using off-the-shelf software or custom-written software.
(a) Explain the difference between off-the-shelf and custom-written software. [2]
(b) State three advantages of using off-the-shelf software in this situation. [3]
(c)Staff and students who buy food are identified by the system. Their purchases are charged to their accounts. These accounts are paid off at the end of each term.
(i) Each student carries a magnetic stripe card to use with the system. Describe how such a card works. [2]
(ii) The total value of the goods which a person has bought is shown at a checkout. Each person is given a statement, informing them what they currently owe, at the end of each month.
(1) Explain what is meant by a batch operating system and state which of the two processes would be carried out by a batch operating system. [3]
(2) State a type of operating system which could be used for the other process described and justify your choice. [2]
9. A computer controlled machine on a production line is designed to produce components for cars.
When the firm decides to change the car model, the machine must be reprogrammed.
(a) State what is meant by
(i) custom-written software,
(ii) generic applications software. [2]
(b) State which of the types of software in (a) is appropriate as the software for the computer controlled machine and justify your answer. [3]
10. When a book is sent to the company by an author, it is sent in hard copy form as well as on a disk. It is read and, if accepted, is then sent electronically to a person called a copy editor. The copy editor reformats the text to make it suitable for publication.
(a) Explain why the original copy of the book is in
(i) hard copy form; [2]
(ii) electronic form on a disk. [2]
(b) The company needs all the copy editors to be using the same software for preparing the finished books. A decision has to be made between using custom-written software and off-the-shelf software. Describe the difference between the two types and explain why the company would choose to use an off-the-shelf software package. [4]
(c) State the purpose of each of the following pieces of utility software and say how each would be used by the copy editors.
(i) Disk formatting. [2]
(ii) File handling. [2]
(iii) Hardware drivers. [2]
(iv) File compression. [2]
(v) Virus checker. [2]
11 An office worker is responsible for communicating with other businesses and managing the computer systems in the office.
(a) The worker needs to
(i) send letters to customers,
(ii) keep a record of expenditure,
(iii) keep records of customers.
State types of software which would be used for each of these tasks. [3] (b) State a sensible use that the office worker could make of
(i) a hard disk,
(ii) a rewritable CD (CD-RW),
(iii) a CD-ROM. [3]
12 (a) Define the following modes of computer system use.
(i) Batch.
(ii) Real-time.
(iii) On-line.
(iv) Off-line. [4]
(b) At the end of each day, the workers in a factory send, to the accounts department, the details of the time that they have been at work. They are paid at the end of each week.
Choose two of the modes of use in part (a) which would be sensible to use in this example.
Justify your answers. [4]
13. 2 Goods in a shop are labelled with barcodes. These barcodes are used when goods are sold at the checkout. The shop uses a computer system, attached to the checkout, to store a file of records relating to the goods on sale.
(a) State appropriate peripheral hardware for this system, justifying your choices. [8]
(b) Describe how the system can be used to maintain levels of stock in the shop. [6]
14 A computer system is used in a tourist souvenir shop.
Customers can have their pictures taken. The picture is stored on the system. After the customer approves the image it is printed onto a T-shirt.
Explain how this system works, by describing the hardware, software and data storage. [6]
15 (a) A medical centre has a computer system. State how each of the following types of software could be used at the medical centre.
(i) Desktop publisher
(ii) Presentation software
(iii) Database software
(iv) Communication software [4]
(b) Identify an application area in the medical centre for which custom-written software is appropriate. Justify your answer. [2]
16. A printer is a hard copy output device.
State three different types of printer.
For each of your choices give an example of an application where it would be used, justifying your choice. [9]
17A computer system controls a cashcard machine (ATM).
(a) For each of the following, state one device that could be used in the ATM and state what it would be used for.
(i) Input
(ii) Output
(iii) Storage [6]
(b) The operating system, used by the computer controlling the ATM, must work in both batch and real-time modes.
(i) State what is meant by a batch processing operating system and explain why it would be necessary in the ATM. [3]
(ii) State what is meant by a real-time operating system and explain why it would be necessary in the ATM. [3]