A weather satellite is used to monitor weather systems and the climate of the earth. Weather satellites have two types orbits. They can either have near-polar orbit or geostationary orbit. The former has lower altitudes and covers the complete Earth. The latter, on the other hand, stays put in one spot, and is found in higher altitudes.
Answer:
five types of pointing devices
Explanation:
Ponting devices
Pointing means point something and the pointing devices are the input /peripheral devices those are used to point the pointer on the screen. We do move cursor on the screen to open the files or any icon.
There are many types of pointing devices but these are quite common which are given below
- Computer mouse
- Finger on touch screen.
- Joystick.
- Leap Motion.
- Light pen (pen)
1.Mouse
Mouse is most common type of input device that is used for pointing the data on the screen. We press it with our hands and keep pointing the things.
There are three types of mouse
- optical mouse
- wireless mouse
- trackball mouse.
2. Finger on touch screen
In this type of movement the fingers are input devices those we use to see the movement of pointer on the screen and this is most common in this century.
3.Joystick.
Joystick is another input device to point the cursor but it is mostly used in games. Children can use it smartly so it is inculcated in games usually.
4. Leap Motion
The Leap Motion (LM) controller is a latest 3D sensing device for hand posture interaction with a computer. It is having the capability sense the location of the fingers of the hands, as well as the palm position.
5.Light Pen
this is another pointing device which is mostly used to highlight and select the data on the screen.
Note: All of these above pointing devices are most common used now a days. These devices are having new conventions day by day for the ease of user. This era is basically the era of IT ,so the use of computer must be so easy and conventional for the user so, the innovations and improvement in such devices is made side by side.
Answer:
hope you like it
Explanation:
Two types of power supplies exist, DC-DC and AC-DC. DC-DC power supplies allow you to plug in electrical devices into car outlets or similar sources that supply direct current, or DC, power. These power supplies are not the most commonly used, though.
Classification of Power Supply and Its Different Types
OUTPUT = DC OUTPUT = AC
INPUT = AC Wall wart Bench power supplies Battery charger Isolation transformer Variable AC supply Frequency changer
INPUT = DC DC-DC converter Inverter Generator UPS
Answer:
A mobile device is loosely defined as a very small device that has some built-in computing or Internet capability.
Explanation:
A mobile device also referred to as a handheld device is a computer device small enough to hold and operate in the hand.
Mobile devices can connect to the Internet and interconnect with other devices such as headsets through Wi-Fi, Bluetooth, cellular networks or near field communication (NFC).
Examples are: Smartphones, Tablets, Calculator
, Digital media player
, Handheld game console
, Laptop
, Mobile Internet Device (MID)
, Personal Digital Assistant (PDA)
, and Pocket calculator
.
Answer:
the 8th term of the given series =n( n+1)÷2= 8(8+1)÷2 = (8×9)/2 = 72÷2 = 36
