WorksheetsYear 9 - Homework - Applications
Total questions: 22
Worksheet time: 13mins
What a mobile phone is?
It is an electronical devices that help us to make counts.
It is a portable telephone that can make and receive calls over a radio frequency.
It is a machine that take pictures and make videos.
It is a phone that can not make calls or send messages.
A cellular phone (or mobile phone) is designed to give the user freedom of __________ while using a telephone.
antenna
movement
signals
lines
It uses ________ signals to communicate between the phone and the antenna.
emails
radio
signals
lines
The server area is divided into smaller areas called cells and an antenna is placed within each cell and connected by telephone _____________.
photos
radio
signals
lines
Mobile phones use radio signals to communicate.
TRUE
FALSE
The server area is divided into smaller areas called stations.
TRUE
FALSE
An antenna is placed every two or three cells.
TRUE
FALSE
What year was the cell phone created?
2000
1984
1884
1980
DynaTAC 8000X was made by
Siemens
Apple
Motorolla
Nokia
When did the first flip phone come out?
1970s
1980s
1990s
2000s
The first flip phone was the Nokia 9000.
True
False
The first Blackberry was the Blackberry 850.
True
False
What The Blackberry 850 was the first phone popular for?
Ringtones
Full Keyboard
Calendar
Dial Overseas
negative health affects for using mobile phones
increases resting blood pressure
reduces production of melatonin
increased stress leve
risk in driving
Benefit of mobile phones
Answer call
Cooking
Organizing schedule
Games
