# Sum ProgramWrite a program that will iterate over the input, adding the digits, and returning the result.Input:- MUST accept STDIN as the default- MUST accept a file when flag [-f] is specified- MUST handle hex values when flag [-x] is specifiedOutput:- MUST output result as Long to STDOUT- MUST always output result in base 10Be sure to include:- README on how to build/test/execute your application- Automated Unit TestsExamples:$ echo "abc123" | ./myProg6$ echo "abc123" | ./myProg -x39$ echo "qq" | ./myProg0$ echo "abc123" > file.tmp$ ./myProg -f file.tmp6

Prior to beginning work on this interactive assignment, read Chapter 1: History and Basics and Sections 2.1 through 2.7 of Chapter 2: Hardware and Software in the textbook.Students: Be sure to download and save a PDF version of your textbook for future reference. It will be used in later courses within your program, including the final, capstone course. Zybooks limits online access to your course textbooks for a 12-month period. (Zybook Download Instructions)Review all of the Participation and Challenge Activities found in Chapter 1 and Sections 2.1 through 2.7 of Chapter 2.For this interactive assignment, assume that you work in the IT department of a medium-sized company. One of your duties is to recommend what computers to buy. The requirements are usually provided to you in a memo from your manager. Review the Purchase Request Memos and select one that appeals to you.Compare the hardware and software components listed below at a minimum of two computer vendor sites. Specify a final purchase recommendation for each component. Support your recommendations for each feature using evidence provided in your textbook or additional resources, as necessary.ProcessorMemoryHard driveOptical driveBatterySoftware/Operating systemManufacturerDimensions/WeightScreen/MonitorOther relevant featuresPost your purchase recommendation to the discussion forum in the form of a reply memo, short paragraphs, or a bulleted list with explanations.

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