WAEC 2023 - COMPUTER SCIENCE ANSWER

COMPUTER OBJ:
1-10: BCDAABBDBA
11-20: CBCDCBBBAB
21-30: ACDABADBBD
31-40: ACBBADCCDA
41-50: CCDBDDCACB

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THIS IS A VERY IMPORTANT INFORMATION!!!!
Try to change words and sentences while answering so that it will be different from your colleagues work



(1ai)
(PICK ANY TWO)
(i) The children will be exposed to inappropriate content such as violence, pornography, and hate speech.

(ii) The children can be exposed to cyberbullying from peers or strangers, which can lead to psychological trauma and a negative impact on their mental health.

(iii) The might be addicted to online games, social media, and other internet content can lead to addiction and social isolation as individuals spend more time online.

(1aii)
(PICK ANY ONE)
-By setting up parental controls on the devices that children use to limit their access to inappropriate content, prevent cyberbullying.
-By managing the children's screen time.

(1b)
(PICK ANY ONE)
-It gives privacy over the files on the system
-User control access can also improve productivity by allowing employees to access only the resources and information they need to perform their jobs.
-User control access allows organizations to control who has access to sensitive information and resources.

(1c)
(i) E
(ii) C
(iii) B
(iv) A
(v) D

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(2a)
Laptop Y

(2b)
(PICK ANY THREE)
(i) Long battery life
(ii) Wireless Capabilities
(iii) Availability of WebCam
(iv) It has less weight

(2c)
(PICK ANY THREE)
(i) Long battery life: Because he is traveling a long trip, he needs laptop that has more lasting battery for the trip to be able to deliver
(ii) Wireless Capabilities: He will be needing wireless communication to be able to connect to any available internet In the case his wired connection don't deliver better communication
(iii) Webcam availabilty: Since he will be doing live communication with editors, the Webcam will be needed for web presence and ability to stream live video to the editors
(iv) Less weight: This makes it easier for the journalist to carry while carrying out his assignment

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(3a)
(i) Select the text or object that you want to hide.

(ii) Right-click on the selection and choose "Font" from the context menu.

(iii) In the Font dialog box, click on the "Hidden" checkbox under the Effects section.

(iv) Click "OK" to close the Font dialog box.

(v) Save the document.

(3b)

(i) Click on the "File" tab in the top-left corner of the Word window.

(ii) Click on "Options" at the bottom of the left-hand menu.

(iii) In the Word Options dialog box, click on "Display" in the left-hand menu.

(iv) Under the "Always show these formatting marks on the screen" section, check the box next to "Hidden text."

(v) Click "OK" to close the Word Options dialog box.

Now, any hidden text in your document will be visible on the screen.

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(4a)
(i) Upgrade RAM
(ii) Upgrade Hard disk

(4bi)
(i) Upgrading of RAM: Adding more RAM allows a computer to run more applications simultaneously without slowing down. It also reduces the amount of time

(ii) Upgrading hard disk drive: This is to improve storage capacity. Upgrading to a larger capacity HDD allows users to store more data, including larger files like high-resolution photos,

(4bii)
This is because external hard disks can store much more data than floppy disks. The photographer can store much more data on an external hard disk, making it more suitable for larger files like high-resolution images


(4c)
(PICK ANY TWO)
-Adobe Photoshop
-Adobe Lightroom
-GIMP (GNU Image Manipulation Program)
-Corel PaintShop Pro
-Affinity Photo
-Capture One
-DxO PhotoLab
-Skylum Luminar
-ON1 Photo RAW