List and describe methods you can use to secure your computer or mobile device.
What will be an ideal response?
•Clamps, cables, and locks:Lock kits include mounting plates, glue, cables, and padlocks to protect desktops, monitors, laptops, and peripheral devices.•Intrusion detection:Thieves do not need to remove a computer from an office building or school to commit their crimes; instead, they can open the case on a desktop or server on site and then remove a hard drive or other expensive component. To prevent such tampering, hardware manufacturers have developed an alarm system to install in the case. If the computer is moved or the case is opened, an ear-piercing alarm sounds and a security company is alerted.•Tracking software:Many smartphones and mobile devices have software that shows the approximate location of devices and computers. The owner can issue commands remotely to have the device play a sound, lock the screen, display a message, or erase all personal information.•Asset tags:Metal security plates affixed to hardware contain unique bar codes that are registered to the owner and are stored in a security company's database. If a lost or stolen device is recovered, the finder can call the phone number on the tag, and the company will notify the owner.•Personal safes:Protective cases that are approximately the size of a cereal box can store a smartphone, keys, tablet, and other valuables. The attached security cable can be secured to a stationary object, such as a chair or table. Some personal safes have built-in electronic locks; others can be secured with a combination lock. The safe can be useful in a hotel room, at the gym, or on campus.
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__________ not only manages files, handles large disk spaces, and so on, but also incorporates additional robustness features required by corporations and businesses.
a. FAT b. FAT32 c. NTFS d. XPFS
Explain the differences between the output of each command.
Try giving these two commands: $ echo cat $ cat echo
Write a new class TruncatedDollarFormat that is the same as the class DollarFormat from Listing 6.14, except that it truncates rather than rounds to obtain two digits after the decimal point. When truncating, all digits after the first two are discarded, so 1.229 becomes 1.22, not 1.23. Repeat Programming Project 3 in Chapter 4 using this new class.
This project may require a little trial and error to get the code right to truncate past the two digits of the cents and not lose the cents completely. Casting a double to an int will truncate, but it has to be done after the dollars.cents is multiplied by 100, and an explicit cast is required by the java compiler (unlike C or C++): ``` int allCents = amount * 100; ``` gives a compiler error since amount is type double. ``` int allCents = (int)amount * 100; ``` loses the cents part of amount because the cast operates on amount before multiplying by 100. Putting parentheses around the multiplication, however, makes it do the multiplication first: ``` int allCents = (int)(amount * 100); ``` so it does not lose the cents digits. The only other “tricky” part is using the write() method in TruncatedDollars along with System.out.println() and System.out.print() to display money values interspersed with text in sentences.
_____ means that the operating system has been compromised so that the user has an increased level of privilege on the phone
Fill in the blank(s) with correct word