The Answer of Chapter 4

a. True/flase
• T
• F
• T
• T
• F
• T
• T
• T
• F
• T
• F
• F

B. Multipe choice
• B
• A
• B
• B
• C
• B
• A
• D

c. Matching
• H
• A
• F
• B
• D
• E
• G
• C
• I
• J

d. Short Answer

1.    1. What are two types of designs of Tablet PCs?

=  two types of design of Tablet PCs are slate Tablet PC and convertible Tablet PC.

What are the differences in the designs of the two types of Tablet PCs?

=                -    Slate Tablet PC

      =It  doesn't include a keyboard and the system unit is behind the display. 

-       Convertible Tablet PC

= In Convertible Tablet PC the system unit is positioned below a keyboard and it is providing functionality similar to a traditional notebook computer or netbook.

2.    2. What is the motherboard?

= motherboard is the main circuit board of the system unit.

What is a computer chip?

=computer chip is a small piece of semiconducting material, it is usually a silicon, on which integrated circuits are etched.

3.    3. What are the four basic operations in a machine cycle?

=  the four basic operations in a machine cycle are fetching, decoding, executing, and storing.

What are some functions of registers?

= storing the location from where an instruction was fetched, storing an instruction while the control unit decodes it, storing data while the ALU computes it, and storing the results of a calculation.

4.     4.What types of devices might be Bluetooth enabled?

=computers, peripherals, smart phones, PDAs, cars, and other consumer electronics

Describe three ways in which a computer can become Bluetooth enabled!

= -     It contains a small chip that allows them to communicate with other Bluetooth-enabled computers and devices.

-       Has to be within about 33 feet of each other.

-       Uses radio waves to transmit data between two devices.

5.   5.  What is compressed air used for with regards to caring for your computer?

= removes dust and lint from difficult-to-reach areas and removes sticky liquid spilled on keyboards

How should you prepare for cleaning your computer?

= turn it off, and if necessary, unplug it from the electrical outlet, remove its battery, and disconnect all cables from the ports.