TYPES OF HEADSET

TYPES OF HEADSET

HEADSET

Often we mistakenly said all means of voice for these ears as HEADSET . Because the headset is a combination of headphones and microphone . The tool is shaped like a headband with a small circular speaker at one end and on one side there is a small microphone . This tool is often used for communication purposes for example be used by a customer service .

HEADPHONE

Shaped like a headset , but the tool is not contained microphone . Usually used to listen to music , but can not be used as a communication tool . These devices are usually more portable than Headset .

BACKPHONE

This tool is the same with headphones , but its use is only slightly different . This tool is not looped over the head but looped back of the head . This tool is more portable than the HEADPHONE and is usually used for sports activities .

TYPES OF COMPUTER SPEAKER

TYPES OF COMPUTER SPEAKER

1. Sub Woofer

Is a type of speaker that is capable of producing sound frequency of 20Hz - 200Hz , so that we can hear low tones or full bass . Usually the sub woofer is installed on a computer powered speakers , car speakers , active speaker room and so on . For installation would require a separate box with the other speakers . Due to the vibrations produced quite high , so made ​​a separate box .

2. Woofer

Is a type of speakers that can menghasailkan low frequency is around 40Hz - 1000Hz . Then the resulting sound will also be ngebass . This kind of a lot of us find in almost all types of active speaker room . This kind of a lot of electronics sold in stores . Besides, these speakers have the size vary, for example, 4 inch , 6 Inc. , 8 Inc. , 10 Inc. , 12 Inc. and so on . For the results good voice must necessarily be mounted on the box and is usually combined with midrange and tweeter .

3. Midrange

This type of speaker is capable of producing intermediate frequency of about 500Hz - 5000Hz . Therefore, the resulting sound audible as our voice. Usually this type we find the 3 way active speaker .

4. Tweeter

the type of speakers that produce a frequency around 5000Hz - 20.000Hz . So that the resulting sound will be a little squeaky . Almost all the active speaker is also installed this kind that sounds like a guitar melody , angklung even broken glass could be heard clearly. Besides speakers of this type without using box also been able to function properly.

5. Full range

Is a kind of speaker who is able to produce lower tones , medium or high . Therefore this type are often used for the speakers or outdoors . Due to the resulting sound can be heard a distance . For its size also varies as 10 inch , 12 inc , inc 15 , even 18 inc .

TYPE FLASHDISK

TYPE FLASHDISK

1.EASYDISK ALUMINIUM 256 MB USB DRIVE 

Builder : EasyDisk
Capacity : 256 MB
Type : USB 2
Other models : more color available
Advantages : write- protection switch
Disadvantages : Expensive

2. IPTEK: Pen Drive (USB Flash Hard Drive)
 
Yang dibutuhkan sistem:

- USB Interface
- Windows 98 / 98SE using driver
( Driver disk provided dlm package )
- Windows Me / 2000 / XP , Mac OS9 and Linux2.40 and the like
FEATURES :
- Hot Plug & Play
- No driver needed for WINDOWS ME and the like
- A small , can be placed in the pocket .
- Do not use batteries
- Available capacity between 16 MB - 128 MB
- Portable
specifications :
- Dimensions ( L / W / H ) : 77 x 25 x 9 mm
- Weight : 20g
- Free Access : Read 750 kb / s (Maximum )
Write 450 kb / s (maximum )
- Storage -gate NAND flash memory

3. MCPRO USB 2.0 128 MB



Builder : MCPRO Price : around Rp . 405 thousand Capacity : 128 MB Type : USB 1 Other models : 256 MB Advantages : lock switch and LED indicator Deficiency : -
4. USB FLASH DRIVE



Creator: Belkin Price : around Rp . 1 million Capacity : 128 MB Type : USB 1 Other models : up to 512 MB Advantages : password feature Disadvantages : Expensive 5. POCKET FLASH DRIVE

Builder : Corega
Price : around Rp . 600 thousand
Capacity : 128 MB
Type : USB 1
Other models : 32 MB and 64 MB
Advantages : write- protection switch
Disadvantages : performance is below average
6. GIZMO

Builder : Crucial Technology Price : around Rp . 540 thousand Capacity : 128 MB Type : USB 1 Other models : up to 256 MB Pros: Cheap enough Disadvantages : no bonus features 7. DISGO Builder : Disgo Price : around Rp . 860 thousand Capacity : 128 MB Type : USB 2 Full Speed Other models : up to 1 GB Advantages : password features and bonus software Disadvantages : speed less than the maximum
8. USB CARD

Builder : Freecom
Price : around Rp . 1.2 million
Capacity : 128 MB
Type : USB 2
Other models : up to 512 MB
Advantages : protection facilities , compression and e - mail 

Disadvantages : mahal
9. POWERPLAY PRO

Builder : Smartdisk
Price : around Rp . 850 thousand
Capacity : 32 MB
Type : USB 1
Other models : -
Pros: as a laser pointer and remote control
Disadvantages : limited supply

10. MEGA MEMORY WATCH


Builder : Memix Price : around Rp . 1 million Capacity : 128 MB Type : USB 1 Other models : 256 MB / USB 2 Pros: as well as watches Kekukurangan : the quality of the goods is not good