Computer science class ix notes 9th class board pattern model paper
Computer science Chapter No-07 Important questions, if you attempt these question you will get InshaAllah 100% marks.
(Chapter-07 Computer Software) Important MCQs
Q.1: Choose the correct option:
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1. Operating System is a:
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A. Package
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B. System Software
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C. Application
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D. None of them
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2. Which translates a High Level Code into Machine Code as
a whole?
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A. Assembler
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B. Interpreter
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C. Compiler
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D. None of them
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3. DOS was designed
by:
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A. IBM
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B. APPLE Corp
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C. Linux
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D. None of them
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4. GUI stands for:
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A. Graphical User Interchange
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B. Graphical
User Interpreter
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C. Graphical
User Interface
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D. Both B and C
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5. FORMAT is an ………………. Command.
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A Extra
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B. Internal
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C. External
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D. None of them
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6. rmdir command:
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A. makes a directory
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B. removes a directory
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C. copies a directory
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D. None of them
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7. Which command is used to make copy of the floppy disks
only?
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A. XCOPY
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B. DISKCOPY
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C. FCOPY
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D. None of them
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8. Which is not the system file required for boot process?
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A. COMMAND.COM
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B. IO.SYS
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C. MSDOS.SYS
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D. None of them
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9. Which command is used for displaying folder structure
of a drive or path?
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A. STRUCTURE
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B. TREE
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C .DRVTREE
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D. None of them
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10. FDISK is a utility used for:
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A. Making New Disk Partitions
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B. Re-sizing Disk Partitions
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C. Deleting Existing Disk Partitions
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D. All of them
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11. Which is not the feature of DOS?
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A. Memory Management
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B. Managing System Resources
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C. Networking
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D. None of them
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12.Which shortcut key is used to expand the prompt to full
screen?
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A. Ctrl + Enter
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B. Alt + Enter
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C. Shift + Enter
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D. None of them
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13. Which is not valid function of an operating system?
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A. Providing Interface
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B. Loading programs
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C. Managing memory
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D. None of them
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14. Which is not the type of an operating system?
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A. Batch Processing OS
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B. Real Time OS
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C. Time Sharing OS
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D. None of them
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15. The translated program is called:
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A. Source Code
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B. Executable Code
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C. Object Code
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A. None of them
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Q.2: Answer the following short questions:
- Define an Operating System (OS).
- What is the difference between Compiler and Interpreter?
- What are mnemonics?
- What is the difference between Internal and External Commands?
- Differentiate between CLI and GUI.
- Why do we use Wildcard Characters with DIR command?
- What is the function of SCANDISK?
- What is the difference between System Software and Application Software?
- Differentiate between Source Code and Object Code?
- What is the difference between DOS and Windows?
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