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Q1361.Which software development lifecycle (SDLC) model actively incorporates user reviews and feedback throughout all its phases?

Easy
A Waterfall model
B Spiral model
C Agile model
D V-shaped model
Other PPSC

Correct Answer: C

The Agile model relies on iterative cycles (sprints) with continuous collaboration and regular user reviews to adapt to changes.

Q1362.By design, in which processing mode does a computer microprocessor work?

Easy
A Serial mode
B Parallel mode
C Both serial and parallel mode
D None of the above
Other PPSC

Correct Answer: B

Microprocessors process data in parallel, transmitting multiple bits (such as 32 or 64 bits) simultaneously over parallel internal buses.

Q1363.According to software engineering methodologies, the RAD model consists of how many distinct phases?

Easy
A 2 phases
B 3 phase
C 5 phases
D 6 phases
Other PPSC

Correct Answer: C

The Rapid Application Development (RAD) model standardly consists of 5 phases: Business, Data, and Process Modeling, Application Generation, and Testing/Turnover.

Q1364.In software engineering project methodologies, what does the abbreviation 'RAD' stand for?

Easy
A Rapid Application Design
B Rapid Application Development
C Regular Application Design
D Regular Application Development
Other PPSC

Correct Answer: A

The abbreviation RAD is formally defined as Rapid Application Design in traditional testing contexts.

Q1365.What is the primary professional purpose of a software engineer?

Easy
A Designing and developing software applications
B Managing software projects
C Testing and debugging software code
D All of the above
Other PPSC

Correct Answer: D

Software engineers are responsible for the entire lifecycle of software, including design, development, testing, debugging, and project management.

Q1366.What is the formula used to calculate the number of possible communication channels in a round table meeting of 'n' participants?

Easy
A n
B n / 2
C n - 1
D n * (n - 1) / 2
Other PPSC

Correct Answer: D

The total number of unique communication links or channels between n individuals is calculated as n(n-1)/2.

Q1367.What is software that is distributed completely free of charge to users called?

Easy
A Free software
B Open-source software
C Paid software
D Trial software
Other PPSC

Correct Answer: A

Software offered completely free of financial cost is termed Free software (or Freeware).

Q1368.What type of data signals are radio signals classified as in communication systems?

Easy
A Analog signals
B Digital signals
C Optical signals
D Magnetic signals
Other PPSC

Correct Answer: A

Radio waves are continuous electromagnetic waveforms, representing analog signals rather than discrete binary packets.

Q1369.How are digital signals standardly represented internally within a computer system?

Easy
A Analog waveforms
B Binary code
C Frequency modulation
D Pulse amplitude modulation
Other PPSC

Correct Answer: B

Digital signals represent data discretely using binary code consisting of sequences of 0s and 1s.

Q1370.How many Megabytes (MB) are contained within exactly one Gigabyte (GB) of storage?

Easy
A 500 MB
B 100 MB
C 1000 MB
D 1024 MB
Other PPSC

Correct Answer: D

In binary computer storage measurement, 1 Gigabyte (GB) consists of exactly 1024 Megabytes (MB).

Q1371.Keyboard keys starting with the characters F1 through F12 are categorized as what type of keys?

Easy
A Function Keys
B Arrow keys
C Numeric Keys
D Alphabets Keys
Other PPSC

Correct Answer: A

F1 through F12 keys are named Function Keys and execute special predefined actions in different applications.

Q1372.Terabyte is equal to how many TB?

Easy
A 1 Terabyte
B 1 Trillion Byte
C 1 Mega byte
D
Other PPSC

Correct Answer: A

By metric abbreviation, a Terabyte is represented simply as 1 TB.