Answer:
Explanation:
Keep in mind a lossy algorithm will lose information while a lossless algorithm maintains all your original information.
Therefore:
A. False, a lossy algorithm will not allow perfect reconstruction.
B. True, if you don't care about keeping all your information it's easier to compress.
C. False, you can use a lossless algorithm for anything.
D. False, the point of lossless is that you keep all information.
Answer:
ICT is the abbreviated form of Information and Communication. It included different technologies like mobile phones, computers, USBs etc.
Following are two precautionary measures which should be observed when using any kind of ICT:
- Use of Antivirus: It can used to protect anything placed inside the technology especially from hacking and viruses which can create many issues.
- Backup Data: Creating a backup of the data stored in the device is important as it can be recalled when the device malfunctions. Backup of the data can be created through using USBs, CDs etc or through cloud storage
Answer:
Hold the CPU fan so that it won't spin and blow this with compressed air.
Explanation:
While cleaning the computer system from the inner side then we have to follow some steps.
- Firstly, shut down the system properly and remove it from the power supply.
- Then, open the cabinet of the computer system.
- Then, clean the internal parts of the system through simple air pressure and hold the CPU fan during that time to avoid spinning.
- Clear the dirt layer using the can of compressed air over the cabinet fans.
Answer:
The Security Account Manager
Explanation:
The Security Account Manager (SAM), This is a database file found in Windows Operating Systems.... Windows XP, Windows Vista, Windows 7, 8.1 and 10 that stores users' passwords. It can be used to authenticate local and remote users. It is an important and vital component of how Windows stores passwords locally on the computer.
The second one
01111
This is because a computer uses binary and only understands two digits which consit of 1 and 0