System Software MCQs set 3 for Pakistan Railways Clerk / Assistant (BS-11) Computer Science — 20 solved questions.
Q1. A Personal Computer is a microprocessor-based computing device.
Answer: Personal Computer
Explanation: A Personal Computer (PC) is a microprocessor-based computing device designed for individual use, as opposed to mainframes or servers shared by many users.
Q2. You can set a page border in excel from:
Answer: You can not set a page border in Excel
Explanation: MS Excel does not support page borders; page borders are a feature of MS Word, not Excel.
Q3. Formatting is the process of dividing the disk into tracks and sectors.
Answer: Formatting
Explanation: Disk formatting is the process of dividing the disk surface into tracks and sectors, preparing it to store data in an organized structure.
Q4. The ability to recover and read deleted or damaged files from a criminal's computer is an example of a law enforcement specialty called:
Answer: Computer forensics
Explanation: Computer forensics is the law enforcement specialty of recovering, analyzing, and preserving digital evidence from computers and storage devices.
Q5. "The one program running at all times on the computer" is the:
Answer: Kernel
Explanation: The kernel is the core program of an operating system that runs continuously, managing system resources and communication between hardware and software.
Q6. An anti-virus program is designed to scan a device, identify, and eliminate a computer virus.
Answer: Scan a device, identify, and eliminate
Explanation: An antivirus program scans a device, identifies malicious software, and eliminates it to protect the system from infection.
Q7. Which button in spreadsheet programs is commonly used to quickly add up a series of numbers?
Answer: AutoSum
Explanation: AutoSum is the right answer. This tests practical computer literacy expected in clerical, banking, and IT operator recruitment papers.
Q8. Which key is used to Undo a program:
Answer: CTRL+Z
Explanation: CTRL+Z is the right answer. This tests practical computer literacy expected in clerical, banking, and IT operator recruitment papers.
Q9. RAM stands for:
Answer: Random Access Memory
Explanation: Random Access Memory is the right answer. This tests practical computer literacy expected in clerical, banking, and IT operator recruitment papers.
Q10. Microprocessors as switching devices are for which generation of computers:
Answer: Fourth Generation
Explanation: The Fourth Generation of computers (1970s-present) is characterized by the use of microprocessors - VLSI chips containing the entire CPU on a single chip.
Q11. In MS Windows, which of the following is a program group?
Answer: Accessories
Explanation: In MS Windows, Accessories is a program group (a folder containing multiple utilities like Notepad and Calculator), while Paint and Word are individual applications.
Q12. Which statement is valid about a computer program?
Answer: High-level languages must be converted into machine language to execute
Explanation: High-level languages use human-readable syntax and must be translated into machine language (binary) by a compiler or interpreter before the CPU can execute them.
Q13. In which mode can the computers that are associated send frames directly to each other?
Answer: Adhoc mode
Explanation: In Ad hoc (peer-to-peer) wireless mode, devices communicate directly with each other without a wireless access point or router.
Q14. In order to email a Word document from within MS Word 2016, you must:
Answer: File >> Share >> Email
Explanation: In MS Word 2016, you email a document via File > Share > Email, which opens sharing options including Send as Attachment.
Q15. Input devices convert human-understandable data and programs into a form that the computer can process.
Answer: Input
Explanation: Input devices accept human-understandable data (keystrokes, voice, images) and convert it into binary form that the CPU can process.
Q16. The Footnote Text style defines characters as 10-point Times New Roman and paragraphs as single-spaced and left-aligned.
Answer: 10-point Times New Roman and paragraphs as single-spaced and left-aligned
Explanation: The default Footnote Text style in MS Word formats text as 10-point Times New Roman with single-spacing and left alignment.
Q17. The Neural-nets data mining technique derives rules from real-world case examples.
Answer: Case-based reasoning
Explanation: Case-based reasoning is the data mining technique that derives solutions and rules from real-world case examples stored in a case library.
Q18. There are two different ways to insert content from one application into another, i.e., embedding and ____?
Answer: Linking
Explanation: OLE (Object Linking and Embedding) allows content sharing between applications via two methods: embedding (storing a copy) and linking (referencing the original).
Q19. If you want to insert some slides from another presentation into the current one, choose ____.
Answer: From Insert menu choose Slides from Files
Explanation: From Insert menu choose Slides from Files is the right answer. This tests practical computer literacy expected in clerical, banking, and IT operator recruitment papers.
Q20. In MS Excel 2016, which of the following can be used to split windows into two?
Answer: View > split
Explanation: In MS Excel 2016, windows are split using View > Split from the View tab ribbon, not through a Window submenu.