WAEC Data Processing Questions and Answers 2021, Legit Free free WAEC Data Processing 2021 WAEC objective and theory answers (Expo) for West African Examinations Council (May/June) 2021. WAEC Data Processing objective and theory answers For you to have good WAEC result in Data Processing examination as well as repeated questions for free in this post.
You will also understand how WAEC (Igbo) Data Processing questions are set and how to answer them. The West African Examinations Council (WAEC) is an examination board established by law to determine the examinations required in the public interest in the English-speaking West African countries, to conduct the examinations and to award certificates comparable to those of equivalent examining authorities internationally.
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2021 DATA PROCESSING ESSAY
(ii)Facial Recognition. …
(i)RCA (Stereo audio output)
Difference is that to access that on internet an Internet Service Provider (ISP) and a router to connect to the ISP while it is not needed for that of storage
Biometric recognition creates a specific link between an individual and a data record.
(i)Disk formatting is the configuring process of a data storage media such as a hard disk drive, floppy disk or flash drive for initial usage.
(ii) Data backup is a copy of computer data taken and stored elsewhere so that it may be used to restore the original after a data loss event.
(iii) Virus scans: this is the process where antivirus search through your system to locate and remove any malicious threats on your device.
(i) it is used for intra bank transfer
(ii) it is used for inter bank transfers
(iii) it is used to check account balance
(iv) it is used for printing of mini statement of account
(i) On the Basis of Size and Capacity, [Supercomputer, Mainframe, Mini, and Micro Computer].
(ii) On the Basis of Purposes, [General and Special Purpose].
(iii) On the Basis of Hardware Design and Type [Analog, Digital, and Hybrid Computer].
(i) Analog computers works with continuous values or these types of systems process continuous data.
(ii) Analog computer has very low or limited memory and it can store less amount of data.
(i) Digital computers works with discrete values or these types of systems process discrete data.
(ii) Digital computer has very big memory it can store large amount of data.
(I) Access to information: Increase in access to information and services that has accompanied the growth of the Internet. Some of the positive aspects of this increased access are better, and often cheaper, communications, such as VoIP phone and Instant Messaging.
(ii) New tools, new opportunities: ICT gives access to new tools that did not previously exist: digital cameras, photo-editing software and high quality printers, screen magnification or screen reading software enables partially sighted or blind people to work with ordinary text rather than Braille.
(iii) Communication: Cost savings by using e.g. VoIP instead of normal telephone, email / messaging instead of post, video conferencing instead of traveling to meetings, e-commerce web sites instead of sales catalogues. Access to larger, even worldwide, markets.
(i) Guided Media
(ii) Shielded Twisted Pair (STP).
-Analog computer system is the very old computer system which operates on the mathematical variables in the form of continuously changeable physical quantities/entities like mechanical, electrical, hydraulic, etc. They use continuous values rather than discrete values so they work on analog signal. At the time of at the time of the 1950s–1960s these analog computers were first used. Analog computers are limited in accepting the problems and also they can never be extremely accurate.
-Digital computers are the computer systems/machines which uses the binary number system, which has two digits: 0 and 1 and performs many computational tasks. It processes the data represented in discrete and the main three components of digital computers are input, processing and output. The first digital computer was designed for numerical computations in the late 1940s. Digital computers give results with more accuracy as it is not dependent upon physical quantities for processing a task.
– Indirect access
– Not removable
– Random/Direct access
– Indirect access
– Insert the flash drive into a USB port on your computer.
– With your Microsoft Word document open, click the “File” tab and select “Save As.”
– Click the “Save In” drop-down menu at the top of the Save As dialog box.
– Navigate to and click the flash drive. The flash drive is typically drive letter “E” or “F.”
– Type the name of your document into the File Name field and click “Save” to save the file to the flash drive.
– Choose Start Documents.
– Click the New Folder button in the command bar.
– Type ASSIGNMENTS.
– Press the Enter key to make the new name stick.
– With your document open, click File > Save As.
– Under Save As, select where you want to create your new folder.
– In the Save As dialog box that opens, click New Folder.
– Type STUDENTS_ASSIGNMENT, and press Enter.
– Click Save.
(i)open the folder that contains the word documents you want to print.
(ii) press [ctrl], and select the files you want to print. (if the files are adjacent, select the first file in the list, press [shift], and select the last file in the list.)
(iii) right-click the selection, and select print from the shortcut menu.
(iv) select the desired print options, and click ok. (the selected options will apply to all of the documents.)
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