Free Software Design and Architecture MCQs with Answers
493 Software Design and Architecture MCQs from Software Engineering, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
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493 questions · page 8 of 25
- A. Input
- B. Output
- C. Software
- D. Storage
Explanation: A printer receives data from the computer and presents it as printed text or images, so it is an output device.
Correct answer: Output- A. computer network
- B. distributed system
- C. both A and B
- D. none of these
Explanation: A distributed system consists of separate computers that cooperate while appearing to users as one coherent system.
Correct answer: distributed system- A. Keyboard
- B. Monitor
- C. Hard disk
- D. Icon
Explanation: A keyboard uses physical or virtual keys to enter text, commands, and other information into a computer.
Correct answer: Keyboard- A. Latch
- B. Accumulator
- C. Buffer
- D. Accumulator
Explanation: A latch is a bistable electronic circuit that can hold one bit, either 0 or 1.
Correct answer: Latch- A. Bus lines
- B. Wire Lines
- C. Logic Paths
- D. Gate ways
Explanation: Bus lines are shared communication pathways that carry data, addresses, and control signals between components on the system board.
Correct answer: Bus lines- A. CD ROM
- B. Zip disk
- C. Super disk
- D. Hard disk
Explanation: A hard disk is normally installed inside a computer and provides permanent secondary storage.
Correct answer: Hard disk- A. device
- B. application
- C. hardware
- D. peripheral
Explanation: Hardware means the physical parts of a computer that can be touched, such as the keyboard, processor, and disk.
Correct answer: hardware- A. Encryption
- B. Sorting
- C. Code Protection
- D. Firewall
Explanation: Encryption scrambles readable data into a coded form so unauthorized users cannot understand it without the proper key.
Correct answer: Encryption- A. Basic Input/Output System
- B. Bipolar Input/output System
- C. Basic Input Office System
- D. Basic Instruction Organised System
Explanation: BIOS expands to Basic Input/Output System, firmware that initializes hardware and starts the boot process before the operating system…
Correct answer: Basic Input/Output System- A. LCD TV
- B. Plasma TV
- C. LED backlit-LCD TV
- D. Analogue TV
Explanation: An LED is a semiconductor device whose electrical properties are altered by doping impurities, and LED-backlit LCD TVs use these LEDs for…
Correct answer: LED backlit-LCD TV- A. a network
- B. hardware
- C. an information system
- D. communications technology
Explanation: An information system combines components that collect, process, store, and distribute information for organizational decision-making and…
Correct answer: an information system- A. system software
- B. BIOS software
- C. software suites
- D. sequential software
Explanation: System software manages computer hardware and provides a platform for application programs; operating systems and utility programs belong…
Correct answer: system software- A. system software
- B. platform software
- C. application software
- D. operating system software
Explanation: Word processors, spreadsheets, and photo editors perform tasks directly for users, so they are application software.
Correct answer: application software- A. F D drive
- B. CD drive
- C. Zip drive
- D. Pen drive
Explanation: A CD drive contains the optical reader needed to read data stored on a compact disc.
Correct answer: CD drive155. Cache and main memory will lose their contents when the power is off. They are ____________________?
- A. dynamic
- B. static
- C. volatile
- D. non-volatile
Explanation: Volatile memory requires continuous power to retain data, so cache and main memory lose their contents when the computer is switched off.
Correct answer: volatile- A. 1000 bytes
- B. 1million bits
- C. 1 million bytes
- D. 10000 bits
Explanation: Using the decimal storage convention used by this question, one megabyte equals one million bytes.
Correct answer: 1 million bytes- A. Restart
- B. Initialize
- C. Release
- D. Rerun
Explanation: Initialization assigns variables, counters, and switches their starting values before processing begins.
Correct answer: Initialize- A. Nibble
- B. Half byte
- C. Bit
- D. Data
Explanation: A nibble is a group of four bits, which is exactly half of an eight-bit byte.
Correct answer: Nibble- A. Displaying images
- B. Sending messages
- C. Storing messages
- D. Handling sound and music
Explanation: Speakers are output devices that convert computer audio signals into audible sound, including music, alerts, and voice.
Correct answer: Handling sound and music- A. PSU = Power supply unit
- B. USP = Universal surge protector
- C. UPPS = Universal power protection and supply
- D. UPS = Uninterruptible power supply
Explanation: A UPS, or Uninterruptible Power Supply, provides temporary backup power and often regulates voltage and suppresses surges.
Correct answer: UPS = Uninterruptible power supply