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What is numeric data? 

Numerical information will be data which something that is measurable. Numerical information is gathered in numbers form, despite the fact that there are different sorts of information that can show up in like number form. A case of numerical information would be the number of student that has gone to class over a course of a month.

What is alphanumeric data?

Alphanumeric is a portrayal of information that is the two letters and numbers. For instance, "2c5dka" is a short string of alphanumeric characters. Alphanumeric is ordinarily used to help clarify the accessibility of content that can be entered or utilized as a part of a field, for example, an alphanumeric secret word.Alphanumeric information isn't vital need to contain a mix of figures& character it can simply be basically as a content case a name of a man 'MohamudAbukar’

Character Encoding


UTF-8 is the utmost broadly utilized approach to speak to Unicode message in site pages, & ought to dependably utilize UTF-8 while making pages and databases. Be that as it may, on a fundamental level, UTF-8 is just a single of the conceivable methods for encoding Unicode characters.

A character encoding recommends the computerin what way to translate raw 0&ones into unaffected characters. It typically does this by combination figuresby characters. Words&sentences in contented are made from characters&these characters are gathered into a character set. There are a wide range of sorts of character encodings floating around at introduce, however the ones we deal most often with are ASCII, 8-bit encodings, & Unicode-based encodings.

This strategy is finished by combinationfigures with characters.Arguments&sentence in content are produced using characters&these characters&participate to a character set. The most well-known sort of character encoding is ASCII that utilizations 8-bit encodings&Unicode. The ASCII code speaks to English characters as numbers&letter allottednumber 0 to 127

The Unicode is a standard that characterizes the web content coding framework in PCs. Unicode supports characters for every modern languages.

Binary examples


Eg. Abukar

Convert it from decimal to binary according ASCII configuration.


Polling & interrupts are utilized to permit correspondence among the processor&peripherals. The processor can accomplish one thing at a time, despite the fact that it does things rapidly. There are large number of peripherals associated with the PC – console, mouse, monitor, USB drive, HDD & scanner, printer & sound card so forth. These require consideration from the CPU yet it can't be anticipated when. The CPU needs to stop what is performing& give the peripheral. A way is required for the CPU to discover when these peripherals require consideration so it can stop & give the consideration they require.

e.g. “Polling resembles getting your telephone at regular intervals to check whether you have a call. Interrupts resemble like waiting for the telephone to ring."

Polling is a procedure used by a program to confirm the status of an I/O gadget, reassure, and mouse, screen fringe and additionally check whether it is set up to send or get data (e.g. a key press from console. It perpetually surveys the I/O device then data is set up to be transmitted. This isn't profitable as the CPU is kept involved while surveys. It bound the CPU and keeps the PC from having the ability to do whatever else. The one favoured angle of Polling is that it empowers the PC to respond quickly to the changed status of the I/O contraption as it is doing nothing else with the exception of holding up and asking and holding up and inquiring. It is alright if the CPU does not need to do whatever else, for instance, a solitary use device (e.g. a mechanized advanced clock).

An interrupt is a method for motioning to the CPU that a peripheral wants its consideration with the goal that the CPU can do different things separated from holding up & asking, holding up&inquiring. Every peripheral gadget interfaces with the CPU utilizing an uncommon wire – called an intruptline it us flag the processor. PCs consist fifteen lines. At the point when the equipment intrude on ask for (IRQ) originates from the gadget along the wire, it is managed by the 'interfere with controller'. Intruder on controller signs to the CPU that aninterrupts from a peripherals has happened. Interfere with controller doles out needs to the intrude on so the CPU can deal with concurrent interferes. Lower need interferes with take more time to benefit. The CPU at that point dispatches an 'interfere with handler'. The CPU suspends what is perform&jump to the intrude on handler. At the point whereinterrupt is taken care of formerly the CPU restarts what it is performing. The preferred standpoint is that the CPU able to do other work in the middle of interferes. The drawbacks are that it doesn't react as fast whenperipheral is polling.



"Unicode Technical Report #17: Unicode Character Encoding Model". 2013-11-11. Retrieved 2013-08-08.

Tom Henderson (April 17, 2014). "Ancient Computer Character Code Tables – and Why They're stillrelevant". Smartbear. Retrieved 29 April 2014.

JPEG (2012-04-24). "Press Release – 48th WG1 meeting, Maui, USA – JPEG enters FDIS status, JPEG File Interchange Format (JFIF) to be standardized as JPEG Part 5". Archived from the original on 2012-10-08. Retrieved 2012-11-09.

Bosky Agarwal (2004). "Instruction Fetch Execute Cycle" (PDF). Archived from the original (PDF) on June 11, 2009. Retrieved 2012-10-14.

"A Survey of Techniques for Designing and Managing CPU Register File". Concurrency and Computation. Wiley. 2016

Gallagher, Sean. "Memory that never forgets: non-volatile DIMMs hit the market". Ars Technical. Archived from the original on 2017-07-08.

Interactivepython.org. (2017). 3.8. Changing over Decimal Numbers to Binary Numbers — Problem Solving with Algorithms and Data Structures. [Online] Available at= http=//interactivepython.org/courselib/static/pythonds/BasicDS/ConvertingDecimalNumberstoBinaryNumbers.html [Accessed 07 Oct. 2017]

Mathsisfun.com. (2017). Twofold Number System. [Online] Available at= https=//www.mathsisfun.com/paired number-system.html [Accessed 11 Oct. 2017].

Docs.snowflake.net. (2017). Numeric Data Types — Snowflake Documentation. [Online] Available at= https=//docs.snowflake.net/manuals/sql-reference/information writes numeric.html [Accessed 08 Oct. 2017].



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