30000+ Important MCQs for POLICE SI

Explanation :
Batch processing refers to processing transactions in a group or batch. No user interaction is required once batch processing is underway. While batch processing can be carried out at any time, it is particularly suited to end-ofcycle processing, such as for processing a bank's reports at the end of a day, or generating monthly or bi-weekly payrolls.

Explanation :
An email address is an address composed of two parts- a username and a domain name seperated by a @ sign eg. abc @ example. com. The username (abc) is the name you choose to be identified with for email purposes and that you have provided to the email host to create youremail account. The domain name is the internet destination for the emailhost, which may be a private site, company, organization or government entity. The extension can be any of many options such as .com, .org, .gov, .int, .info, etc.

Explanation :
An integrated circuit (IC) is a microscopic array of electronic circuits and components diffused or implanted onto the surface of a single crystal, or chip, of semiconducting material such as silicon. It is called an integrated circuit because the components, circuits, and base material are all made together, or integrated, out of a single piece of silicon.

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Explanation :
Computer worms are similar to viruses in that they replicate functional copies of themselves and can cause the same type of damage. In contrast to viruses, which require the spreading of an infected host file, worms are standalone software and do not require a host program orhuman help to propagate. A virus must attach itself to a program or document and is spread by traveling with the carrier. A worm, however, can travel by itself (Security Awareness: Applying Practical Security in Your World By Mark Ciampa).

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Explanation :
The presentation layer presents data to application layer in format that can be procured by an end user. This is actually a translator that provides coding and conversion functions. Main tasks are data compression, decompression, encryption and decryption.

Explanation :
Systems with an 18-bit RGB palette use 6 bits for each of the red, green, and blue color components.

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