Please keep at least one language enabled. || కనీసం ఒక భాషను ఎంచుకోండి.
Question 1
ప్రశ్న 1
A Windows computer has become slow, and the user wants to identify which currently running process is consuming unusually high CPU resources. Which tool should be used first?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Task Manager displays running applications and processes along with CPU, memory and other resource usage.
• It is therefore appropriate for identifying a process responsible for unusually high CPU consumption.
• Character Map, Disk Cleanup and System Restore serve different purposes.
• It is therefore appropriate for identifying a process responsible for unusually high CPU consumption.
• Character Map, Disk Cleanup and System Restore serve different purposes.
వివరణ:
Question 2
ప్రశ్న 2
The current DOS directory is C:ASIPAPER3OS. Which command changes directly to the root directory of drive C:?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• In DOS path notation, a single backslash represents the root directory of the current drive.
• Therefore `CD ` changes the current directory directly to C:.
• `CD ..` moves upward by only one directory level.
• Therefore `CD ` changes the current directory directly to C:.
• `CD ..` moves upward by only one directory level.
వివరణ:
Question 3
ప్రశ్న 3
Which Windows accessory is most appropriate for quickly creating and editing a plain-text file such as NOTES.TXT?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Notepad is designed primarily for simple plain-text editing.
• It is suitable for files such as .TXT documents that do not require advanced formatting.
• Paint, Calculator and Magnifier perform graphics, calculation and accessibility functions.
• It is suitable for files such as .TXT documents that do not require advanced formatting.
• Paint, Calculator and Magnifier perform graphics, calculation and accessibility functions.
వివరణ:
Question 4
ప్రశ్న 4
A Windows volume is suspected of having logical file-system errors. Which command-line utility is primarily intended to examine such errors?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• CHKDSK examines the logical condition of a disk volume and its file system.
• Appropriate options can also request correction of certain detected file-system errors.
• SFC checks protected Windows system files rather than primarily checking volume structures.
• Appropriate options can also request correction of certain detected file-system errors.
• SFC checks protected Windows system files rather than primarily checking volume structures.
వివరణ:
Question 5
ప్రశ్న 5
What is the primary result of the DOS command `DIR *.TXT` in the current directory?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• DIR displays directory entries rather than the contents of the files themselves.
• The wildcard pattern `*.TXT` selects filenames having the .TXT extension.
• DEL would delete matching files, while TYPE is used to display text-file contents.
• The wildcard pattern `*.TXT` selects filenames having the .TXT extension.
• DEL would delete matching files, while TYPE is used to display text-file contents.
వివరణ:
Question 6
ప్రశ్న 6
A computer began malfunctioning immediately after a system configuration or driver change. The user wants to return important Windows system settings to an earlier restore point. Which utility is most suitable?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• System Restore can return system files, registry settings and certain configuration information to an earlier restore point.
• It is useful when recent software or driver changes cause instability.
• It is not intended as a replacement for a complete personal-file backup.
• It is useful when recent software or driver changes cause instability.
• It is not intended as a replacement for a complete personal-file backup.
వివరణ:
Question 7
ప్రశ్న 7
Which DOS command creates a new directory named REVISION in the current directory?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• MD stands for Make Directory and creates a new directory.
• `MD REVISION` therefore creates the REVISION directory at the current location.
• RD removes a directory, CD changes directories and DIR displays directory information.
• `MD REVISION` therefore creates the REVISION directory at the current location.
• RD removes a directory, CD changes directories and DIR displays directory information.
వివరణ:
Question 8
ప్రశ్న 8
A technician wants to capture only the portion of the Windows screen containing an error message. Which tool is most appropriate?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Snipping Tool is designed for capturing screenshots or selected regions of the screen.
• It is useful for recording error messages and configuration screens during troubleshooting.
• The other listed accessories do not capture screen images.
• It is useful for recording error messages and configuration screens during troubleshooting.
• The other listed accessories do not capture screen images.
వివరణ:
Question 9
ప్రశ్న 9
A Windows computer records repeated application crashes, and the technician wants to examine logged error and warning entries. Which utility should be used?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Event Viewer provides access to Windows logs containing application, system and other events.
• Error and warning entries can provide useful diagnostic information about repeated failures.
• It is therefore more appropriate than basic accessories or cleanup tools for log examination.
• Error and warning entries can provide useful diagnostic information about repeated failures.
• It is therefore more appropriate than basic accessories or cleanup tools for log examination.
వివరణ:
Question 10
ప్రశ్న 10
Assume OLDNAME.TXT exists in the current DOS directory. What does `REN OLDNAME.TXT NEWNAME.TXT` do?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• REN is the DOS rename command.
• It changes the name of an existing file without intentionally creating an additional copy.
• COPY would be used when the original and destination copies are both required.
• It changes the name of an existing file without intentionally creating an additional copy.
• COPY would be used when the original and destination copies are both required.
వివరణ:
Question 11
ప్రశ్న 11
A computer experiences unexplained crashes, and faulty RAM is suspected. Which built-in Windows diagnostic tool is specifically intended to test system memory?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Windows Memory Diagnostic tests installed RAM for possible memory errors.
• The system generally restarts so that memory testing can be performed outside normal application activity.
• It is appropriate when symptoms suggest defective or unstable memory.
• The system generally restarts so that memory testing can be performed outside normal application activity.
• It is appropriate when symptoms suggest defective or unstable memory.
వివరణ:
Question 12
ప్రశ్న 12
Which DOS command displays the contents of the text file README.TXT on the screen?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• TYPE displays the contents of a specified file on standard output, normally the screen.
• It is commonly used for viewing plain-text files from the DOS prompt.
• DIR lists file information rather than displaying the complete text stored inside the file.
• It is commonly used for viewing plain-text files from the DOS prompt.
• DIR lists file information rather than displaying the complete text stored inside the file.
వివరణ:
Question 13
ప్రశ్న 13
A newly installed hardware device appears with an error indicator in Windows and may require a different driver. Which utility is the most appropriate starting point?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Device Manager displays hardware recognized by Windows and reports device-status information.
• It provides driver-management operations such as update, uninstall, disable and, where available, rollback.
• It is therefore the appropriate utility for troubleshooting a driver-related hardware problem.
• It provides driver-management operations such as update, uninstall, disable and, where available, rollback.
• It is therefore the appropriate utility for troubleshooting a driver-related hardware problem.
వివరణ:
Question 14
ప్రశ్న 14
A user needs to insert a mathematical or special symbol that is not conveniently available on the physical keyboard. Which Windows tool should be selected?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Character Map displays symbols and characters available in installed fonts.
• A selected character can be copied and pasted into a compatible application.
• It is useful for symbols that are difficult to enter directly from the keyboard.
• A selected character can be copied and pasted into a compatible application.
• It is useful for symbols that are difficult to enter directly from the keyboard.
వివరణ:
Question 15
ప్రశ్న 15
What is the effect of the DOS command `DEL *.BAK` when matching files exist in the current directory and the deletion is allowed to complete?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• DEL removes files matching the specified filename or wildcard pattern.
• `*.BAK` matches files with the .BAK extension in the selected directory.
• Wildcard deletion commands should be used carefully because multiple files can be affected.
• `*.BAK` matches files with the .BAK extension in the selected directory.
• Wildcard deletion commands should be used carefully because multiple files can be affected.
వివరణ:
Question 16
ప్రశ్న 16
A technician needs to create a new volume, assign a drive letter and format the volume in Windows. Which utility is most appropriate?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Disk Management is used to manage disks, partitions and volumes in Windows.
• It supports operations such as creating volumes, assigning drive letters and formatting suitable volumes.
• Such operations require care because some disk-management actions can destroy stored data.
• It supports operations such as creating volumes, assigning drive letters and formatting suitable volumes.
• Such operations require care because some disk-management actions can destroy stored data.
వివరణ:
Question 17
ప్రశ్న 17
A DOS directory contains too many entries to fit on one screen. Which command is most suitable for displaying the directory listing one screenful at a time?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The /P option causes DIR output to pause after each screenful.
• This allows the user to read a long listing before proceeding to the next screen.
• /W instead produces a wide-format listing.
• This allows the user to read a long listing before proceeding to the next screen.
• /W instead produces a wide-format listing.
వివరణ:
Question 18
ప్రశ్న 18
Protected Windows system files are suspected of being corrupted. Which utility is primarily intended to verify and repair such files?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• System File Checker verifies the integrity of protected Windows system files.
• The commonly used `sfc /scannow` operation can attempt to replace certain corrupted files with valid copies.
• CHKDSK primarily examines file-system and volume structures rather than protected Windows system-file integrity.
• The commonly used `sfc /scannow` operation can attempt to replace certain corrupted files with valid copies.
• CHKDSK primarily examines file-system and volume structures rather than protected Windows system-file integrity.
వివరణ:
Question 19
ప్రశ్న 19
The current DOS directory is C:POLICEASIOS. Which command changes the current directory to C:POLICEASI?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Two dots represent the parent directory in DOS path notation.
• Therefore `CD ..` moves one level upward from C:POLICEASIOS to C:POLICEASI.
• `CD ` would instead move directly to the root of the current drive.
• Therefore `CD ..` moves one level upward from C:POLICEASIOS to C:POLICEASI.
• `CD ` would instead move directly to the root of the current drive.
వివరణ:
Question 20
ప్రశ్న 20
Match List I with List II:
List I
(a) Task Manager
(b) Paint
(c) FORMAT
(d) SFC
List II
1. Checks protected Windows system files
2. Creates and edits simple images
3. Displays running processes and resource usage
4. Prepares a disk or volume with a file system
Choose the correct matching code.
List I
(a) Task Manager
(b) Paint
(c) FORMAT
(d) SFC
List II
1. Checks protected Windows system files
2. Creates and edits simple images
3. Displays running processes and resource usage
4. Prepares a disk or volume with a file system
Choose the correct matching code.
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Task Manager displays processes and resource usage, giving (a)-3.
• Paint performs basic image creation and editing, giving (b)-2.
• FORMAT prepares a disk or volume, while SFC checks protected Windows system files, giving (c)-4 and (d)-1.
• Paint performs basic image creation and editing, giving (b)-2.
• FORMAT prepares a disk or volume, while SFC checks protected Windows system files, giving (c)-4 and (d)-1.
వివరణ:
Answer Key సమాధానాల పట్టిక
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Question 1 ప్రశ్న 1Answer: B. Task Manager సమాధానం: B.
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Question 2 ప్రశ్న 2Answer: D. CD సమాధానం: D.
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Question 3 ప్రశ్న 3Answer: A. Notepad సమాధానం: A.
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Question 4 ప్రశ్న 4Answer: C. CHKDSK సమాధానం: C.
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Question 5 ప్రశ్న 5Answer: C. Directory entries matching the .TXT extension are displayed. సమాధానం: C.
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Question 6 ప్రశ్న 6Answer: B. System Restore సమాధానం: B.
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Question 7 ప్రశ్న 7Answer: D. MD REVISION సమాధానం: D.
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Question 8 ప్రశ్న 8Answer: A. Snipping Tool సమాధానం: A.
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Question 9 ప్రశ్న 9Answer: B. Event Viewer సమాధానం: B.
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Question 10 ప్రశ్న 10Answer: C. Changes the filename from OLDNAME.TXT to NEWNAME.TXT. సమాధానం: C.
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Question 11 ప్రశ్న 11Answer: A. Windows Memory Diagnostic సమాధానం: A.
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Question 12 ప్రశ్న 12Answer: D. TYPE README.TXT సమాధానం: D.
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Question 13 ప్రశ్న 13Answer: C. Device Manager సమాధానం: C.
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Question 14 ప్రశ్న 14Answer: A. Character Map సమాధానం: A.
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Question 15 ప్రశ్న 15Answer: D. All matching .BAK files are deleted. సమాధానం: D.
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Question 16 ప్రశ్న 16Answer: B. Disk Management సమాధానం: B.
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Question 17 ప్రశ్న 17Answer: D. DIR /P సమాధానం: D.
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Question 18 ప్రశ్న 18Answer: C. System File Checker (SFC) సమాధానం: C.
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Question 19 ప్రశ్న 19Answer: A. CD .. సమాధానం: A.
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Question 20 ప్రశ్న 20Answer: B. (a)-3, (b)-2, (c)-4, (d)-1 సమాధానం: B.