FUNDAMENTALS OF COMPUTER

COMPUTER HARDWARE COMPONENTS FUNCTIONS

WHAT IS A COMPUTER KEYBOARD

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How should your elbows be position?
A
naturally by your side
B
up in the air
C
it does not matter
D
raised at your side
Explanation: 

Detailed explanation-1: -Try to keep your elbows tucked into your sides to keep the wrists as straight as possible. Tilt the screen back between 12 and 37 degrees to minimise neck stress.

Detailed explanation-2: -Your elbows should be relaxed and held close to the side of the body, creating an approximately 90-degree angle between the arm and the forearm. Your wrists should be flat with forearms parallel to the floor and palms facing the floor.

Detailed explanation-3: -Elbows are relaxed beside upper body and are bent at a right angle, 90° to 110°. Elbows are not lifted upward and/or outward away from upper body. Forearms are not extended since upper arms are relaxed beside the upper body. Wrists are relaxed and straight/flat, or flexed slightly downward.

Detailed explanation-4: -When your arms are held out at your sides and your palms are facing forward, your forearm and hands should normally be about 5 to 15 degrees away from your body. This is the normal “carrying angle” of the elbow. This angle allows your forearms to clear your hips when you swing your arms, such as during walking.

Detailed explanation-5: -Your keyboard should be at a height that allows your elbows to be bent about 90 degrees and close to your sides. Many keyboards and keyboard trays have wrist supports to help keep your wrists in a neutral, almost straight position.

There is 1 question to complete.