Answer:
"Store date, intermediate results, and instructions (program."
Explanation:
"CPU is considered as the brain of the computer. CPU performs all types of data processing operations. It stores data, intermediate results, and instructions (program). It controls the operation of all parts of the computer."
Answer:
If your cpu usage levels are greater than 90% during most of your work session, a faster CPU can greatly increase your computer's performance
Explanation:
CPU usage level is a good indicator for the computer performance.
Generally, computers use a low portion of their CPU power. When you open an application or listen to music on your computer, CPU usage level increases. After CPU intensive process ends, the CPU usage should drop to lower level again.
But if the CPU usage level is high all the time you use the computer, then it means that either there is a problem causing continuous CPU usage or your CPU is not fast enough. In the case of latter, you'd better to have a faster CPU.
Answer: D) Whitelisting
Explanation:
Whitelisting are used in many applications and it only allows the good known apps. Whitelisting are majorly used for security purpose as, it permits to maintain or control the misuse the apps by employees in an organisation.
Blacklisting maintain the list of denied access system and it prevented the accessing undesirable program. It is also used as security application but it is less effective than whitelisting.
Encryption are the process which are not used in the restricting application. And lockout are used by the users for entering the password for many time as possible.
Therefore, option (A) is correct.
Digital life is here to stay. The internet is use every single second of the day. We need our digital life today because during a pandemic we need online services such as for school and emergency services. We will always use the internet every day for the rest of our life.
Answer: 2) 802.2
Explanation: Ethernet standard are the standard for the networking technology for the transmission of the data.The ethernet is requires for the node connection and then forming the framework for the transmission of information.There are several standards for Ethernet.
802.3 is Ethernet standard that works on 10 Mbps rate, PPP(point to point protocol) is the standard that connects the internet service provider using modem and LLC(logical link control) is a standard for 802 .There is no 802.2 standard present in the ethernet standard.Thus,the correct option is option(2).