Free Hardware and Software MCQs with Answers

81. ___________ is system software to facilitate editing of text and data?

• A. MS Word
• B. Editors ....
• C. PowerPoint
• D. MS publisher

Explanation: An editor is software used to create or modify text and other data; it is commonly classified as a system utility in basic computer texts. MS Word and Publisher are application programs, and PowerPoint is presentation software.

82. Which of the following is/ are operating systems?

• A. Windows
• B. Unix
• C. OS/2
• D. All of these

Explanation: Windows, Unix, and OS/2 are all operating systems that manage computer hardware and provide services to applications. Therefore, the inclusive choice is All of these.

83. Physical structure of computer is called __________?

• A. Software
• B. Hardware
• C. Human ware
• D. All of these

Explanation: Hardware is the physical structure of a computer, including components such as the processor, keyboard, and monitor. Software consists of instructions, so it is not physically part of the computer’s structure.

84. LED stands for

• A. Light Emission Digit
• B. Light Emitting Diode
• C. Light Emission Depot
• D. Light Emission Direct

Explanation: LED expands to Light Emitting Diode. It produces light when electric current passes through a semiconductor diode.

85. FDD stands for

• A. Flight Dynamics Division
• B. Feature Driven Development
• C. Floppy Disk Drive
• D. Frequency Division Duplex

Explanation: FDD commonly means Floppy Disk Drive, the hardware that reads and writes floppy disks. The other expansions belong to unrelated technical fields.

86. PDA stands for

• A. Personal Digital Assistant
• B. People's Digital Assistant
• C. Personal Data Assistant
• D. People's Data Assistant

Explanation: PDA stands for Personal Digital Assistant, a small handheld device used for functions such as scheduling, contacts and notes. “Data Assistant” is not the standard expansion.

87. Programs designed to perform specific task is known as ________________.

• A. System software
• B. Application software
• C. Utility programs
• D. Operating system

Explanation: Application software is written to help users perform specific tasks, such as word processing, accounting or web browsing. System software manages the computer itself, while utilities perform maintenance tasks.

88. HDD stands for

• A. High Density Disk
• B. Heavy Duty Diesel
• C. Heating Degree Days
• D. Hard Disk Drive

Explanation: HDD means Hard Disk Drive, a magnetic storage device that stores data on rotating platters. It is distinct from an SSD, which uses flash memory and has no moving platters.

89. SATA stands for

• A. Student Athletic Training Association
• B. Specialized Assault Tactical Androids
• C. Serial Advanced Technology Attachment
• D. Student Air Travel Association

Explanation: SATA means Serial Advanced Technology Attachment, a standard interface used to connect storage devices such as hard drives and optical drives to a computer.

90. Printer is an ________________.

• A. Input device
• B. Software
• C. Output device
• D. None of above

Explanation: A printer produces a paper or electronic representation of processed information, so it is an output device. Input devices send data into the computer, whereas a printer receives data from it.