Hardware.
The write protection on the USB memory card readers is both a hardware and software protection.
Yes, it is. Physical components of a computing system are referred to as hardware.
The USB device is hardware.
The USB port is hardware.
There are many electronic and hardware stores which sell 4GB USB Kingston memory sticks. An example would be Best Buy. With the proliferation of USB 2.0 and 3.0, memory sticks can be commonly found.
It may be that you have got a virus on your memory stick. Try downloading a antivirus software such as AVG, Norton or McAfee. You can get free trials at the website.
A USB flash memory drive is a removable hardware device
The Kindle can read PDF files uploaded from a USB memory stick.
Yes, any thing that contains software and connects to your computer, that is infected, can and will infect it
Most memory stick duo adapters feature a USB interface and are plugged into the computer's USB ports. Memory Stick Duo and Pro are Sony trademarks.
For Tablets you have to have a word reading software (Documents to go.) This is usually preloaded on to the device. Click save. You should visit The Android Forum or specify your device (Phone,Tablet, or etc.)
To find a USB memory stick in the shape of cartoon characters, Go to Amazon. Type "cartoon character USB memory stick in the search box. They have the largest selection available.