Data processing Waec Answer


Data Processing OBJ:

1-10: ABABADABBC

11-20: DCCCDDDCDA

21-30: ABCDCDCDAA

31-40: ABDDACBBAB

(2a)
Information processing is the processing of information in any manner detectable by an observer. it is a process that describes everything that changes in the universe, from the falling of a rock to the printing of a text file from a digital computer system.

(2b)
(i) Collection of Data
(ii) Preparation of Data
(iii) Input of Data
(iv) Processing of Data

(2c)
(i) Tasks can be completed faster because computers work at amazing speed.
(ii) Computers can process large amounts of data and generate error-free results, provided that the data is entered correctly.
(iii) Computers can store enormous amounts of data for future use.

(2d)
(i) Some jobs may be lost due to computerization and thus lower the morale of staff members.
(ii) Some staff has to be trained or retrained.
(iii) Extra cost is required to employ specialized staff to operate and design the data processing system.

(1a) Data handling is the way of collecting facts and can be treated in order to achieve a positive goal. It is the process by which information collected for a given purpose such as research or planning needs to be stored, used and done away with after it is no longer needed.
Data handling ensures the integrity of research data as it addresses concerns relating to confidentiality,security and preservation/retention of research data.for data integrity is of primary concern to ensure that records are not altered,erased,lost or accessed by unauthorised users.

(1b)
(i) Electronic Data handling: this is the process of using computers and other electronic device.
(ii) Non Electronic data handling: this is d process of using paper, files, journal and other non-electronic device.

(1c)
(i) The handling and storage of data are electrically handled
(ii) Managing access right
(iii) Regularly updating Virus protection programs
(iv) Using usernames and password to protect files

(4a)
- Be adaptable
-Be detail - oriented
- Work collaboratively
- Communicate well

(4b)
i Nigeria is a computer society.(N.C.S)
ii Nigeria Internet Group(NIG)
iii Computer Professionals Registration Council of Nigeria (CPCN).
iv Nigeria Internet Exchange (NIA)

(4c)
WiFi - Wireless Fide,lity
GUI - Graphical User Interface

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