How to get updates for macOS Mojave or later
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MC Software has been and remains a leader in the mortgage technology industry. MC Software provides end-to-end residential loan origination, document preparation, processing, tracking, underwriting, closing, funding, secondary marketing and loan servicing automation. MC Software solutions span the entire loan origination and servicing life cycle. Since 1974, MC Software has been and remains a leader in the mortgage technology industry. MC Software provides end-to-end residential and commercial loan origination, document preparation, processing, tracking, underwriting, closing, signing, funding, secondary marketing and loan servicing automation.
If you've upgraded to macOS Mojave or later, follow these steps to keep it up to date:
*Choose System Preferences from the Apple menu , then click Software Update to check for updates.
*If any updates are available, click the Update Now button to install them. Or click ”More info” to see details about each update and select specific updates to install.
*When Software Update says that your Mac is up to date, the installed version of macOS and all of its apps are also up to date. That includes Safari, iTunes, Books, Messages, Mail, Calendar, Photos, and FaceTime.
To find updates for iMovie, Garageband, Pages, Numbers, Keynote, and other apps that were downloaded separately from the App Store, open the App Store on your Mac, then click the Updates tab.Software Mcafee
To automatically install macOS updates in the future, including apps that were downloaded separately from the App Store, select ”Automatically keep my Mac up to date.” Your Mac will notify you when updates require it to restart, so you can always choose to install those later.How to get updates for earlier macOS versions
If you're using an earlier macOS, such as macOS High Sierra, Sierra, El Capitan, or earlier,* follow these steps to keep it up to date:
*Open the App Store app on your Mac.
*Click Updates in the App Store toolbar.
*Use the Update buttons to download and install any updates listed.
*When the App Store shows no more updates, the installed version of macOS and all of its apps are up to date. That includes Safari, iTunes, iBooks, Messages, Mail, Calendar, Photos, and FaceTime. Later versions may be available by upgrading your macOS.
To automatically download updates in the future, choose Apple menu > System Preferences, click App Store, then select ”Download newly available updates in the background.” Your Mac will notify you when updates are ready to install.
* If you're using OS X Lion or Snow Leopard, get OS X updates by choosing Apple menu > Software Update.How to get updates for iOS
Learn how to update your iPhone, iPad, or iPod touch to the latest version of iOS.Learn more
*Learn how to upgrade to the latest version of macOS.
*Find out which macOS your Mac is using.
*You can redownload apps that you previously downloaded from the App Store.
*Your Mac doesn't automatically download large updates when it's using a Personal Hotspot. (Redirected from Modified Condition/Decision Coverage)
Modified condition/decision coverage (MC/DC) is a code coverage criterion used in software testing.Overview[edit]
MC/DC requires all of the below during testing:[1]
*Each entry and exit point is invoked
*Each decision takes every possible outcome
*Each condition in a decision takes every possible outcome
*Each condition in a decision is shown to independently affect the outcome of the decision.
Independence of a condition is shown by proving that only one condition changes at a time.
MC/DC is used in avionics software development guidance DO-178B and DO-178C to ensure adequate testing of the most critical (Level A) software, which is defined as that software which could provide (or prevent failure of) continued safe flight and landing of an aircraft. It is also highly recommended for SIL 4 in part 3 Annex B of the basic safety publication[2] and ASIL D in part 6 of automotive standard ISO 26262.[3]Definitions[edit]ConditionA condition is a leaf-level Booleanexpression (it cannot be broken down into simpler Boolean expressions).DecisionA Boolean expression composed of conditions and zero or more Boolean operators. A decision without a Boolean operator is a condition.Condition coverageEvery condition in a decision in the program has taken all possible outcomes at least once.Decision coverageEvery point of entry and exit in the program has been invoked at least once, and every decision in the program has taken all possible outcomes at least once.Condition/decision coverageEvery point of entry and exit in the program has been invoked at least once, every condition in a decision in the program has taken all possible outcomes at least once, and every decision in the program has taken all possible outcomes at least once.Modified condition/decision coverageEvery point of entry and exit in the program has been invoked at least once, every condition in a decision in the program has taken all possible outcomes at least once, and each condition has been shown to affect that decision outcome independently. A condition is shown to affect a decision's outcome independently by varying just that condition while holding fixed all other possible conditions. The condition/decision criterion does not guarantee the coverage of all conditions in the module because in many test cases, some conditions of a decision are masked by the other conditions. Using the modified condition/decision criterion, each condition must be shown to be able to act on the decision outcome by itself, everything else being held fixed. The MC/DC criterion is thus much stronger than the condition/decision coverage.Criticism[edit]Software Mcdc Testing
[dubious]
Purely syntactic rearrangements of decisions (breaking them into several independently evaluated conditions using temporary variables, the values of which are then used in the decision) which do not change the semantics of a program can lower the difficulty of obtaining complete MC/DC coverage.[4] This is because MC/DC is driven by the program syntax. However, this kind of 'cheating' can be done to simplify expressions, not simply to avoid MC/DC complexities. For example, assignment of the number of days in a month (excluding leap years) could be achieved by using either a switch statement or by using a table with an enumeration value as an index. The number of tests required based on the source code could be considerably different depending upon the coverage required, although semantically we would want to test both approaches with a minimum number of tests.RC/DC[edit]Software Mcm
Reinforced condition/decision coverage (RC/DC) is a stronger version of the MC/DC coverage criterion, suitable for safety-critical systems.[5] It was originally proposed by Sergiy Vilkomir in 2002.[6]Software Mcal
A second publication refutes this claim and indicates that MCDC (at least the Unique Cause Strong MCDC 'UCMS' or Masking) variants of MCDC have superior coverage to the referenced Reinforced condition/decision coverage (RC/DC).See also[edit]References[edit]
*^Hayhurst, Kelly; Veerhusen, Dan; Chilenski, John; Rierson, Leanna (May 2001). 'A Practical Tutorial on Modified Condition/ Decision Coverage'(PDF). NASA.
*^IEC 61508-3:2010
*^ISO 26262-2011 Part 6 Table 12
*^Rajan, Ajitha; Heimdahl, Mats; Whalen, Michael (March 2003). 'The Effect of Program and Model Structure on MC⁄DC Test Adequacy Coverage'(PDF).Cite journal requires |journal= (help)
*^Vilkomir, S.A.; Bowen, J.P. (2006). 'From MC/DC to RC/DC: formalization and analysis of control-flow testing criteria'. Formal Aspects of Computing. 18 (1). Springer Nature. pp. 42–62. doi:10.1007/s00165-005-0084-7.
*^Vilkomir, S.A.; Bowen, J.P. (2002). 'Reinforced condition/decision coverage (RC/DC): A new criterion for software testing'. International Conference of B and Z Users. Lecture Notes in Computer Science. 2272. Springer-Verlag. pp. 291–308. doi:10.1007/3-540-45648-1_15.
7. Kapoor, Kalpesh & Bowen, Jonathan. (2005). A formal analysis of MCDC and RCDC test criteria. Softw. Test., Verif. Reliab.. 15. 21-40. 10.1002/stvr.306Calculate Mortgage PaymentExternal links[edit]Retrieved from 'https://en.wikipedia.org/w/index.php?title=Modified_condition/decision_coverage&oldid=947546117'
