Data Processing 2017 Waec Past Questions and Answers

Question 46 :

• WAEC 2017

(a) Define the term Software Maintenance.
(b) List four types of Software Maintenance.
(c) State our importance of software maintenance.

Question 47 :

• WAEC 2017

WAEC 2017

(a) A teacher asked a student to capture and print out a one-slide presentation assignment using, MS Word, showing everything on the screen.
(i) What keys or combination of keys can be used to carry out this operation?
(ii) Describe the procedure to be followed by the student in carrying out this assignment using the keyboard.
(b) A system analyst was hired to set up a computer laboratory for Bofe international School; (i) Mention three hardware devices the analyst would need to set up the laboratory.
(ii) List three database application packages likely to recommend by the analyst
(iii) State three Word processing packages likely to be installed
(c) Complete Table 1 on keyboard shortcuts.
Table 1

S/N	Keystroke	Action
(i)		Page brake
(ii)	Ctrl+F
(iii)	F1
(iv)	Ctrl+F2

Question 48 :

• WAEC 2017

(a) Use the Fig 1 to answer questions (i) to (iv)

(i) What does Fig 1 represent?
(ii) Identify two output components in Fig 1.
(iii) Give the names of the parts labelled III, VI, VII.
(iv) State one precautionary measure that should be taken to protect the setup from power fluctuations while in use
(v) Data entry into system can be achieved through the parts labelled
(vi) Mention one device that can be used to access the part labelled VII.
(b) Figures 2 and 3 represent mass storage media. Use the figures to answer questions (i) to (iv)

(i) Identify the media represented by; Fig 2, Fig 3
(ii) The transaction files of a company are to be recorded and accessed in the order which they arrive. Which of the media is most suitable for the purpose?
(iii) In which media will the stored data be accessed faster?
(iv) State the file access method for each medium
Fig. 2
Fig 3
(c) A CCTV camera system has a 300 MB storage device. Each image size is 300 kB.
(i) How many images can be stored by the CCTV.
(ii) If the storage device is full, mention one one measures that should betaken to ensure that the system continues to capture and store image without loosing already stored images.