Answer and Explanation:
LAN transmission and reception handles the given bellow details
- LAN adds hardware address and use for error detection codes
- Use DMA to copy frame data directly from main memory
- it follows access rule then transmission is in progress
- it also check the address where data is sent on incoming frames
if the destination address completely match with location address a copy of the frame is passed to the computer
in LAN system a single pocket is sent to the one or more nodes
The slide layout option will help determine the overall look of her presentation.
<h3>Which option in a presentation program is vital?</h3>
Slide layouts is known to be a function that is made of all the tools in regards to formatting, positioning, and others used in a slide and it is one that have all of the content that is seen on a slide.
Hence, The slide layout option will help determine the overall look of her presentation.
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Answer:
Secondary storage is needed to keep programs and data long term. Secondary storage is non-volatile , long-term storage. Without secondary storage all programs and data would be lost the moment the computer is switched off.
External storage enables users to store data separately from a computer's main or primary storage and memory at a relatively low cost. It increases storage capacity without having to open up a system.
Answer:
d. Backdoor
Explanation:
A backdoor is a type of malware that overrides security checks and authentications to access a computer or embedded device.
When this is done, remote access is granted and databases and servers can be accessed and modified. Attackers can also give remote commands to the system.
What happened to Ann in the payroll department is probably a backdoor attack that affected her device.
Answer:
Following are some of important functions of an operating System.
Memory Management.
Processor Management.
Device Management.
File Management.
Security.
Control over system performance.
Job accounting.
Error detecting aids.
Explanation:
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