1) what OHS stands for ? a) Occupational Hazard and situation b) Occupational Health and Safety c) Organization Health and Safety 2) the use of science in industry, engineering ,business . to invent useful things or to solve problems is called : a) Technology b) Digital camera   c) Hardware 3) which one is consumable from the following pictures : a) b) c) 4) If there is a viruses in your computer what is the solution​ ? a) Delete computer data​ b) Power is turned off​ c) Run Anti-Virus​ 5) is a camera that takes video or still photographs, or both, digitally by recording images via an electronic image sensor.​ a) DSLR Camera b) Digital Camera c) Compact Camera 6) which camera have a higher price ? a) DSLR Camera b) Compact Camera 7) what is this Camera accessory ? a) Rechargeable Battery b) Wrist Strap c) USB cable d) memory 8) What is the part 6 ? a) On-off button b) Flash c) Self timer d) Lens 9) which specification is this ? a) close up b) wide angle c) telephoto d) tone curve 10) It is the distance between the lens and the camera sensor, measured in mm: a) Camera exposure b) Focal length c) Aperture d) Shutter sspeed 11) Main light of your scene : a) Key light b) back light c) fill light 12) An item that reflects light onto a object to improve an image a) Flash b) key light c) Reflectors 13) arranging elements within it in a way that suits the core idea or goal of your work best, means : a) Cropping b) specification c) Composition d) Rule of thirds 14) the camera is above the subject, which angle is means ? a) high angle b) Eye level c) Low angle 15) Digital images are composed of very small picture elements—called : a) resolution b) digital images c) pixels 16) Most common file format used by a digital camera and in the web, because of its small size.​ a) GIF b) BMP c) JPEG d) PSD 17) are used to change the appearance of an image, layer or selection in Photoshop. ​ a) Filters b) Layers c) Opacity 18) The eye shows that the selected layer is visible. Click on or off to see or to hide a layer , means : a) layer lock b) Opacity c) Layer visibility 19) which definition is Spot Healing Brush Tool​ definition ? a) Removes blemishes and objects. b) trims images. c) Select pixels which have same color. 20) tool blurs hard edges in an image, called : a) sharpen tool b) blur tool c) smudge tool

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