NECO Data Processing 2021 Objectives and Essay Questions and Answers Data Processing Expo/Runs pdf has been updated. Are you one of the students that want to get an A1 in the current exams? Every candidate has the ability to get the most up-to-date information about the NECO Data Processing 2021 Questions and Answers.
The Nigerian National Examination Council (NECO) has made all necessary materials available to aid the Data Processing Exam’s success. It is strongly recommended that students follow the instructions for the letter.
NECO Data Processing Essay And Objective Questions and Answers 2021 (EXPO)
NECO 2021 Data Processing Answers Loading.
Today’s NECO Data Processing Obj Answers: (2020 Answers)
Today’s NECO Data Processing Essay Answers:
Field: A field contains items of data that is, a character or group of characters that are related. For instance, a grouping of related text characters such as ‘John smith’ makes up a name. In the field. The field could be name, address, city, telephone, etc
(ii) Record: A record is composed of a group of related fields. A record contains a collection of attitudes related to an entity such as a person or product. A payroll record would contain the name, address, social security number, and title of each employee
(iii) Primary key: the primary key is a specific choice of a minimal set of attributes (columns) that uniquely specify a tuple (row) in a relation (table). Informally, a primary key is “which attributes identify a record”, and in simple cases are simply a single attribute: a unique ID. Social security numbers are often used as keys in a large database
Transitions in the presentation package are the signposts that help the audience navigate their way through your presentation. They can help divide information up into sub-sections, link different aspects of your talk, and show progression through your topic.
(i)Great analytical skills.
(ii)Paying attention to details.
(iii)Commitment to work and self-development.
(iv)Communication skills on point.
Collation information: This includes gathering, arranging, and annotating related information; drawing tentative conclusions about the relationship of “facts” to each other and their signiﬁcance; evaluating the accuracy and reliability of each item; grouping items into logical categories; critically examining the information source.
Analysis of information; is a process of collecting, transforming, cleaning, and modeling data with the goal of discovering the required information. The results so obtained are communicated, suggesting conclusions, and supporting decision-making.
(i) insert text: This allows you to insert text anywhere in the document
(ii) delete text: This allows you to erase characters, words, lines, or pages.
(iii) cut and paste: This allows you to remove (cut) a section of text from one place in a document and insert (paste) it somewhere else
(iv) copy: This allows you to duplicate a section of text.
(v) page size and margins: This allows you to define various page sizes and margins, and the word processor will automatically readjust the text so that it fits.
(vi) word-wrap: Automatically moves to the next line when you have filled one line with text, and it will readjust text if you change the margins.
(vii) search and replace: This allows you to direct the word processor to search for a particular word or phrase
(viii) print: This allows you to send a document to a printer to get a hard copy.
A computer virus can be defined as the set of instructions or programs written by a computer programmer to disrupt the smooth of a computer system
(i) Your computer is slowing down
(ii) Unusual messages show unexpectedly.
(iii) several Crashes
(iv) Annoying ads are displayed and pop up messages
(Pick any 2)
-In the banking sector-
(i)ICT helps in the banking and educational sectors to improve the efficiency and of services offered to customers, and enhance business processes,
(ii)ICT facilities managerial decision making, and workgroup collaborations which strengthen their competitive positions in rapidly changing and emerging economies
-In the educational sector-
(i)The use of ICT in education has made it possible for tutors to teach students much more easily. By using audio and visual materials, students can develop a better understanding of the topics being taught.
(ii) With ICT, It is possible to keep student records in a more systematic and secure manner using technology. Unlike in the past when records used to be kept manually
Data integrity is the maintenance of, and the assurance of, the accuracy and consistency of data over its entire life-cycle, and is a critical aspect of the design, implementation, and usage of any system which stores, processes, or retrieves data.
(i)Human error, whether malicious or unintentional.
(ii)Transfer errors, including unintended alterations or data compromise during the transfer from one device to another.
(iii)Bugs, viruses/malware, hacking, and other cyber threats.
(iv)Compromised hardware, such as a device or disk crash