Information and Communication Technology - 0417 CIE

Images

Gbogbo ọrọ náà

A photograph dropped into a report can lift it from plain to professional, or it can wreck the layout with a stretched, blurry, out of place picture. The difference is rarely the camera. It is whether you know how to place an image where it belongs, size it without squashing it, trim away what you do not need and tune its appearance so it serves the document. These are the everyday image skills that separate confident document production from guesswork.

In this lesson you will learn how to place an image with precision, resize it while keeping its aspect ratio or deliberately changing it, crop, rotate and reflect it, adjust its brightness and contrast, group and layer several images into one, and shrink a file that is too large to share. Every one of these is examined in the Cambridge practical papers, where the marks go to the candidate who follows the instruction exactly and keeps the picture undistorted.

Ebumnobi

Place and edit an image.
Place an image with precision Resize an image as specified to maintain or adjust the aspect ratio of an image Crop an image Rotate an image Reflect (flip) an image horizontally or vertically Adjust the brightness of an image Adjust the contrast of an image Group and layer images including grouping and ungrouping, moving to the front or back.
File size reduction.
Recognise that reducing the file size can be achieved by reducing the image resolution or colour depth.

Akọmọ Ojú-ẹkọ

In the Cambridge practical papers you are not asked to be a graphic artist. You are asked to follow a precise instruction: place this image here, make it this size, crop this much off it, flip it so it faces the text. The examiner is checking that you can control an image rather than just insert it. Almost every document or presentation task involves at least one picture, so a sure command of these tools protects marks across the whole paper and produces work that looks deliberate rather than accidental.

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Ayẹwo Ẹkọ

Ekele diri gi maka imecha ihe karịrị na Images. Ugbu a na ị na-enyochakwa isi echiche na echiche ndị dị mkpa, ọ bụ oge iji nwalee ihe ị ma. Ngwa a na-enye ụdị ajụjụ ọmụmụ dị iche iche emebere iji kwado nghọta gị wee nyere gị aka ịmata otú ị ghọtara ihe ndị a kụziri.

Ị ga-ahụ ngwakọta nke ụdị ajụjụ dị iche iche, gụnyere ajụjụ chọrọ ịhọrọ otu n’ime ọtụtụ azịza, ajụjụ chọrọ mkpirisi azịza, na ajụjụ ede ede. A na-arụpụta ajụjụ ọ bụla nke ọma iji nwalee akụkụ dị iche iche nke ihe ọmụma gị na nkà nke ịtụgharị uche.

Jiri akụkụ a nke nyocha ka ohere iji kụziere ihe ị matara banyere isiokwu ahụ ma chọpụta ebe ọ bụla ị nwere ike ịchọ ọmụmụ ihe ọzọ. Ekwela ka nsogbu ọ bụla ị na-eche ihu mee ka ị daa mba; kama, lee ha anya dị ka ohere maka ịzụlite onwe gị na imeziwanye.

The proportion between the width and the height of an image is called its: A. Resolution B. Aspect ratio C. Colour depth D. Contrast Answer: B
A task says to make an image 5 cm high and keep its proportions. You should: A. Set both width and height to 5 cm B. Set the height to 5 cm with the aspect ratio unlocked C. Set the height to 5 cm with the aspect ratio locked D. Crop the image to 5 cm Answer: C
Cutting off part of an image without stretching what remains is called: A. Resizing B. Cropping C. Reflecting D. Rotating Answer: B
To make a person in a photograph face the opposite direction you would: A. Rotate the image 90 degrees B. Increase the contrast C. Reflect (flip) the image horizontally D. Crop the image Answer: C
Which action reduces the file size of an image? A. Increasing the resolution B. Increasing the colour depth C. Reducing the resolution D. Adding a border Answer: C