All Free Software Engineering MCQs with Answers

• A. CMOS
• B. ROM
• C. RAM
• D. ASCII

Explanation: RAM temporarily holds the programs and data that the CPU is currently using, which is why its contents normally disappear when power is…

• A. Printer
• B. Monitor
• C. Mouse
• D. Both A and B

Explanation: A printer and a monitor both produce information for the user, so both are output devices.

• A. Memory
• B. Storage
• C. CPU
• D. Printer

Explanation: Storage devices such as hard drives and SSDs retain data permanently, even after power is turned off.

• A. word size
• B. source code
• C. instructions set
• D. cache

Explanation: Source code is the human-readable form written by programmers in a programming language.

• A. Input
• B. Output
• C. Throughout
• D. Reports

Explanation: Information entering a program from a user, device, file, or another system is called input.

• A. system unit
• B. storage component
• C. input devices
• D. output devices

Explanation: The system unit houses the CPU and other internal components that process data.

• A. Taskbar
• B. Menu bar
• C. Standard toolbar
• D. Title bar

Explanation: The document name appears in the Word title bar and is also represented by the application button on the taskbar.

• A. processing
• B. organising
• C. programming
• D. storing

Explanation: Processing is the computer operation that transforms raw data into useful information.

• A. lists
• B. indexes
• C. folders
• D. archives

Explanation: Folders provide a hierarchical way to group and organise files by name, type, project, or other criteria.

• A. input
• B. output
• C. data
• D. circuitry

Explanation: Input is any data or instruction entered, submitted, or transmitted to a computer system.

• A. Block
• B. Underlined
• C. Select
• D. Unblock

Explanation: Ctrl+U toggles underlining for selected text or for text typed afterward in MS Word. It does not select, block, or unblock content.

• A. Dean Cline
• B. C.B. Rogers Jr.
• C. John F. Akers
• D. David Svenson

Explanation: C. B. Rogers Jr., IBM’s chairman and chief executive, is commonly credited in such historical computer references with launching IBM’s…

• A. Data transmission
• B. Database
• C. Relocation
• D. Data collection

Explanation: Relocation means moving a program to a different memory address while adjusting the address references it uses.

• A. Were the first to use integrated circuitry
• B. Used transistors insted of vaccum tubes
• C. Were the first to use built-in error detecting devices
• D. All of the above

Explanation: Third-generation computers introduced integrated circuits, replacing the individual transistors used in second-generation computers.

• A. a device which is connected to CPU
• B. a device which is not connected to CPU
• C. a direct access storage device
• D. an I/O device

Explanation: An offline device is not directly connected to or under the immediate control of the computer's CPU.

• A. 4
• B. 5
• C. 7
• D. 9

Explanation: Standard ASCII uses 7 bits to represent a character, while an eighth bit in an extended byte may be used for parity or error checking.

• A. Input
• B. Output
• C. Type
• D. Print

Explanation: Input devices place data or commands into a computer, such as a keyboard, mouse, or scanner.

• A. Soft copy
• B. Carbon copy
• C. Hard copy
• D. Desk copy

Explanation: A hard copy is a physical, printed version of information, whereas a soft copy exists electronically or on a display.

• A. Esc
• B. Return / Enter
• C. Delete
• D. Home

Explanation: The Enter or Return key submits a newly typed command or confirms entered information.

• A. Backspace
• B. Shift
• C. Escape
• D. Space Bar

Explanation: The Space Bar inserts a blank space between words during typing. Backspace removes the character before the cursor, so it cannot create…