All Free Software Engineering MCQs with Answers

• 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.

• 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.

• 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.

• 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…

• 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…

• 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…

• 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…

• 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.

• 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.

• 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.

• 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.

• A. Restart
• B. Initialize
• C. Release
• D. Rerun

Explanation: Initialization assigns variables, counters, and switches their starting values before processing begins.

• 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.

• 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.

• 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.

• A. input automation
• B. item data automation
• C. scanning automation
• D. source data automation

Explanation: Scanning a barcode or tag captures data directly from its source instead of requiring manual keyboard entry, so it is source data…

• A. Video monitor
• B. Printer
• C. Keyboard
• D. Mouse

Explanation: The video monitor is generally regarded as the primary computer output device because it displays text, graphics, and other visual…

• A. Bug
• B. Chip
• C. Bit
• D. Byte

Explanation: A bug is a fault or error in a computer program or system that can produce incorrect results.

• A. indicator
• B. marker
• C. meter
• D. pointer

Explanation: The mouse pointer is the on-screen indicator controlled by mouse movement, and it commonly appears as an arrow.

• A. Peer to peer
• B. Client-server
• C. HTTP
• D. Both A and B

Explanation: Peer-to-peer and client-server are both recognized architectural paradigms for organizing communication and resource sharing between…