WAEC 2021 Data Processing Answer – June/July Expo

WAEC Data Processing Answer

The West African Examinations Council WAEC Data Processing Questions Answers 2021 Objective and Theory Update.





(ii)Facial Geometry Recognition


(i)RCA (Stereo audio output)


Difference is that to access that on the internet, it requires 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)Data collection
(ii)Data input

(i)TO: Email address
(ii)CC: To send to multiple Email
(iii)BCC: When you want the message to be shared, but you want to keep it secret to who gets the message
(iv)To the reader
(v)The content of the message

Cc stands for carbon copy which means that whose address appears after the Cc: header would receive a copy of the message. Also, the Cc header would also appear inside the header of the received message. While Bcc stands for blind carbon copy which is similar to that of Cc except that the Email address of the recipients specified in this field do not appear in the received message header and the recipients in the To or Cc fields will not know that a copy sent to these address.

(i)Insert the flash drive into a usb port on your computer.
(ii)With your microsoft word document open, click the “file” tab and select “save as.”
(iii)Click the “save in” drop-down menu at the top of the save as dialog box.
(iv)Navigate to and click the flash drive. the flash drive is typically drive letter “e” or “f.”
(v)Type the name of your document into the file name field and click “save” to save the file to the flash drive.

(i)Navigate to the location where you want to create the folder that is the desktop of the computer.
(ii)Hold down the ctrl, shift, and n keys at the same time.
(iii)Enter your desired folder name that is “assignment”
(iv)Navigate to the location where you want to create the folder.
(v)Then save to finish

(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.)


(iii)Indirect access

(ii)Not removable
(iii)Random/Direct access

(iii)Indirect access

(Choose any 3)
(i)Google Sheets
(ii)Lotus Symphony
(iii)Microsoft Excel
(iv)Open office
(v)Libre Office
(vi)Lotus 1-2-3

(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
(ii) New tools, new opportunities
(iii) Communication


(i) Guided Media
(ii) Shielded Twisted Pair (STP)

(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.

(Choose any 4)
(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
(v) it is used for bank withdrawal


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