1.
(a) State four classes of computer based on size
(b) Define the term Information and Communication Technology (ICT)
(c)Highlight three ways ICT has impacted on the society
2.
(a) (i) What is Computer Ethics?
(ii) State three computer room management ethics
(b) List five laboratory rules and regulations
3.
Mr. Okafor has a company that specializes in the production of beverages with headquarters in Abuja. He intends to monitor the sales and transactions in the company’s branches across Nigeria as well as interact with his customers.
(a) Through what platform can Mr. Okafor achieve his intentions?
(b) Which computer professional should Mr. Okafor hire to design the platform in 3(a)?
(c) State two software packages to create the platform for Mr. Okafor.
(d) If Mr. Okafor decides to connect all the offices within the headquarters in Abuja in a single network,
(i) what type of network is appropriate?
(ii) mention three reasons to support his decision.
(e) Mention two transmission media that can be used to implement the network in 3 (d) (i).
4.
(a) Define the term Software Maintenance
(b) List four types of software maintenance
(c) State four importance of software maintenance
5.
(a) A teacher asked a student to capture and print out 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 b the students 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 be recommended 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 break
(ii) Ctrl + F
(iii) F1
(iv) Ctrl + F2
6.
(a) Use Fig. 1 to answer questions (i) to (vi)
Fig. 1
1. What does Fig. 1 represent?
2. Identify two output components in Fig. 1.
3. Give the names for the parts labeled III, VI and VII.
4. State one precautionary measure that should be taken to protect the set-up from power fluctuations while in use.
5. Data entry into the system can be achieved through the parts labeled:
6. Mention one device that can be used to access the part labeled 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 and 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 and 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 measure that should be taken to ensure that the system continues to capture and store images without losing the already stored images.
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