All Free Software Engineering MCQs with Answers

• A. Transistor
• B. IC
• C. Magnetic Core
• D. Vaccum Tubes

Explanation: First-generation computers used vacuum tubes as their main electronic circuitry, making them very large and power-hungry.

• A. TV
• B. Storehouse
• C. Desk
• D. Hard drive

Explanation: A hard drive is a storage device used to keep programs and files for later use, even after the computer is switched off.

• A. move a cursor across the screen
• B. indent a paragraph
• C. move the cursor down the screen
• D. both A and B

Explanation: The Tab key moves the cursor to the next tab stop and is commonly used to indent a paragraph in word-processing software.

• A. Digital camcorder
• B. Microphone
• C. Scanner
• D. All of the above

Explanation: A digital camcorder, microphone, and scanner all capture information and send it into a computer as input.

• A. Memory only
• B. Write only
• C. Read only
• D. Run only

Explanation: Read-only means that the recorded content can be viewed but not altered or erased by the user.

• A. Compiler
• B. Decompiler
• C. Interpreter
• D. Assembler

Explanation: A decompiler converts machine or executable code into a form resembling the original source code.

• A. Restart the computer in normal mode
• B. Restart the computer in safe mode
• C. Shut down the computer terminating all the running applications
• D. Shut down the computer without closing the running application

Explanation: Hibernate saves the current system state to storage and powers the computer down, allowing applications and the session to be restored…

• A. Tape drive
• B. Hard disk
• C. Compact disk
• D. Floppy disk

Explanation: A CD-ROM is read-only, so its stored contents cannot normally be erased or modified.

• A. MICR
• B. OMR
• C. EEPROM
• D. CD-ROM

Explanation: OMR, or Optical Mark Recognition, detects shaded bubbles or marks on objective answer sheets.

• A. Flash memory cards
• B. CD-ROMs
• C. Hard disk drives
• D. Floppy disks

Explanation: CD-ROMs can be read but cannot be written to or erased, while flash cards, hard drives, and floppy disks support both reading and writing.

• A. Memory
• B. Storehouse
• C. Storage unit
• D. Backup

Explanation: A storage unit is the computer component or medium used to hold programs and data for later use.

• A. software
• B. hardware
• C. input drive
• D. system unit

Explanation: The system unit is the computer case that houses major components such as the motherboard, processor, memory and power supply.

• A. Network interface card
• B. CPU
• C. RAM
• D. ROM

Explanation: ROM is non-volatile memory, so it retains startup instructions even when power is removed.

• A. floppy diskette
• B. hard disk
• C. permanent disk
• D. optical disk

Explanation: A hard disk stores data on rigid magnetic platters installed inside the drive.

• A. Shift
• B. Tab
• C. F1
• D. Esc

Explanation: The Esc key cancels the current menu or closes an open menu without selecting an item.

• A. Warmboot
• B. Autoboot
• C. Authentication
• D. Boot

Explanation: Autoboot means the computer automatically starts the boot process and loads the required system software when powered on.

• A. Games
• B. Donald Knuth
• C. Arithmetic Machine
• D. Analytical Engine

Explanation: Charles Babbage designed the Analytical Engine, an early concept for a general-purpose programmable computer.

• A. Kilobyte
• B. Megabyte
• C. Gigabyte
• D. Terabyte

Explanation: In conventional computer terminology, 1 kilobyte equals 1024 bytes. Strictly, 1024 bytes is more precisely called a kibibyte, but standard…

• A. Control, Alt
• B. Function, Toggle
• C. Delete, Insert
• D. Caps lock, Num lock

Explanation: Control and Alt are modifier keys that change the action of another key, such as Ctrl+C or Alt+Tab.

• A. Edit
• B. Delete key
• C. Dummy out
• D. Trust key

Explanation: The Delete key removes selected files, objects, or characters, and in text it commonly erases the character to the right of the cursor.