Mobile Computing

VoIP stands for Voice over Internet Protocol.

• True

• False

The operating system of a cell phone is stored in ________.

• RAM

• The CPU

• ROM

• An SD card

With Skype software installed on your phone, you can call any phone number for free.

• True

• False

A(n) ________ chip converts sound waves from a voice into digital signal.

• analog-to-digital converter

• digital convergence

• digital signal processor

• telephony

Every new cell/smartphone has to include a GPS chip.

• True

• False

Google ________ is an online store that delivers software for Android devices.

• Fun

• Games

• Play

• Sports

When converting analog waves to a series of numerical values, the higher the sampling rate, the more accurately the original wave can be re-created.

• True

• False

The conversion rate is the number of times per second that the analog signal is measured and converted into a digital value.

• True

• False

RAW files are larger in size than JPEG files.

• True

• False

Which is true of SMS messages?

• They are no longer used.

• They are used in web page development.

• They can contain pictures and videos.

• They can only contain a limited number of characters.