Computer Windows And DOS 2(TTA)
INSTRUCTIONS
1. NUMBER OF QUESTIONS 25
2. HAS A TIME LIMIT OF 15 MINUTES
3. HAS A PASS MARKS OF 30%
4. QUESTIONS PER PAGE 1
5. EACH QUESTIONS HAS 1 MARKS
6. NEGATIVE MARKING FOR EACH QUESTIONS 0.25
7. WILL ALLOW TO YOU GO BACK ,SKIP AND CHANGE YOUR ANSWERS
8. WILL ALLOW TO YOU PRINT OUT YOUR RESULT AND CERTIFICATE
9. WILL ALLOW TO YOU PRINT OUT YOURS RESPONSE SHEET WITH CORRECT ANSWER KEY AND EXPLANATION
10. WE WILL PROVIDE YOURS RESULT,CERTIFICATE AND YOUR RESPONSE SHEET TO YOURS EMAIL ID AT END OF ONLINE TEST
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Questions and Answers
- 1.
.which command in DOS is used to display the subdirectory structure and pause the screen after each screenful of info
- A.
tree
- B.
deltree/f
- C.
Dir | more
- D.
Tree | more
Correct Answer
D. Tree | moreExplanation
The correct answer is "tree | more". The "tree" command in DOS is used to display the subdirectory structure, and the "|" symbol is used to redirect the output of the "tree" command to the "more" command. The "more" command is used to pause the screen after each screenful of information, allowing the user to scroll through the output at their own pace. Therefore, using "tree | more" will display the subdirectory structure and pause the screen after each screenful of information.Rate this question:
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- 2.
.Which command in DOS is used to provide access to the files in other directories
- A.
Tree
- B.
Path
- C.
dir
- D.
attrib
Correct Answer
B. PathExplanation
The "path" command in DOS is used to provide access to the files in other directories. It allows the user to specify a list of directories in which the system will search for executable files. This is useful when the user wants to run a program that is located in a different directory than the current one. By setting the path, the user can easily access and execute files from different directories without having to specify the full path every time.Rate this question:
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- 3.
Which command in DOS is used to see the contents of a file
- A.
type
- B.
copy
- C.
Ed
- D.
None of these
Correct Answer
A. typeExplanation
The correct answer is "type". The "type" command in DOS is used to display the contents of a file on the screen. It is commonly used to view the contents of text files, such as documents or program files. This command allows users to quickly and easily view the information stored within a file without having to open it in a separate program or editor.Rate this question:
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- 4.
.which command can be used to create tracks and sectors on a disk
- A.
fdisk
- B.
format
- C.
chkdsk
- D.
Attrib
Correct Answer
B. formatExplanation
The format command can be used to create tracks and sectors on a disk. This command is commonly used to prepare a disk for use by formatting it with a specific file system. Formatting a disk involves creating the necessary structures for organizing and storing data, including tracks and sectors. Therefore, the format command is the correct choice for creating tracks and sectors on a disk.Rate this question:
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- 5.
Which command is used to create partitios using DOS/.
- A.
fdisk
- B.
format
- C.
chkdsk
- D.
attrib
Correct Answer
A. fdiskExplanation
The command "fdisk" is used to create partitions using DOS. This command allows users to create, delete, and manage partitions on a hard drive. It provides options to set the size, type, and active status of the partitions. By using "fdisk", users can efficiently manage the storage space on their hard drive and organize it according to their needs.Rate this question:
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- 6.
Which file in DOS contain internal commands that are loaded during the booting process
- A.
io.sys
- B.
Msdos.sys
- C.
command.com
- D.
config.sys
Correct Answer
C. command.comExplanation
Command.com is the correct answer because it is the file in DOS that contains internal commands which are loaded during the booting process. This file is responsible for executing various commands and is an essential part of the operating system. It is loaded into memory during the booting process and allows users to interact with the system through command-line instructions.Rate this question:
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- 7.
Which switch along with the command dir in DOS is used to view files in all directories
- A.
/p
- B.
/w
- C.
/s
- D.
/l
Correct Answer
C. /sExplanation
The switch /s along with the command dir in DOS is used to view files in all directories. This switch allows the dir command to search for files not only in the current directory but also in all subdirectories. It provides a comprehensive view of all the files present in the entire directory structure.Rate this question:
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- 8.
While working with DOS, which command is used to combine files ldce1 plus ldce2 to a new file ldce3
- A.
Copy ldce1 ldce2 to ldce3
- B.
copy ldce1+ldce2 ldce3
- C.
copy ldce1+ldce2+ldce3
- D.
copy ldce2 ldce1 +ldce3
Correct Answer
B. copy ldce1+ldce2 ldce3Explanation
The correct answer is "copy ldce1+ldce2 ldce3". This command is used to combine the files ldce1 and ldce2 into a new file called ldce3. The "+" symbol is used to indicate the combination of the two files.Rate this question:
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- 9.
Which command in DOS allows you to move one file from one location to another location
- A.
rename
- B.
copy
- C.
Move
- D.
Cp
Correct Answer
C. MoveExplanation
The "move" command in DOS allows you to move one file from one location to another location. This command is used to transfer a file from its current directory to a different directory or to rename a file while moving it to a different location. Unlike the "copy" command, which creates a duplicate of the file in the new location, the "move" command removes the file from its original location and places it in the specified destination. The "rename" command, on the other hand, is used solely for renaming files without changing their location.Rate this question:
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- 10.
____ runs on computer hardware and serves as a platform for other software to run on
- A.
operating system
- B.
Application software
- C.
system software
- D.
All of these
Correct Answer
A. operating systemExplanation
An operating system is a software that runs on computer hardware and provides a platform for other software to run on. It manages computer resources, such as memory, storage, and processing power, and allows users to interact with the computer. Both application software and system software rely on the operating system to function properly. Therefore, the correct answer is operating system.Rate this question:
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- 11.
Each time you turn on a DOS based computer, it will check for the following files
- A.
Command.com, io.sys
- B.
Command.com, date.com, dir.com
- C.
command.com, io.sys, msdos.sys
- D.
chkdks.exe
Correct Answer
C. command.com, io.sys, msdos.sysExplanation
When you turn on a DOS based computer, it will check for the files command.com, io.sys, and msdos.sys. These files are essential for the functioning of the DOS operating system. Command.com is the command interpreter, io.sys contains the basic input/output functions, and msdos.sys contains the system configuration settings. These files are necessary for the computer to properly boot up and run the DOS operating system.Rate this question:
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- 12.
Which of the following file extension that suggests a backup copy
- A.
bak
- B.
Bas
- C.
com
- D.
txt
Correct Answer
A. bakExplanation
The file extension "bak" suggests a backup copy because it is commonly used to indicate that a file is a backup or a copy of the original file. This extension is often added to the end of a file name to indicate that it is a backup version of the original file, which can be useful for recovering data in case the original file is lost or corrupted.Rate this question:
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- 13.
Which of the command in DOS creates a directory
- A.
mkdir
- B.
md
- C.
Mk
- D.
both mkdir and md
Correct Answer
D. both mkdir and mdExplanation
Both "mkdir" and "md" are valid commands in DOS that create a directory. These commands are used to make a new directory or folder within the current directory. The "mkdir" command is short for "make directory" and the "md" command is short for "make directory" as well. Therefore, the correct answer is that both "mkdir" and "md" can be used to create a directory in DOS.Rate this question:
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- 14.
Which command in DOS displays only file and directory names without size and date info
- A.
dir/w
- B.
Dir/a
- C.
dir/b
- D.
Dir/s
Correct Answer
C. dir/bExplanation
The "dir/b" command in DOS displays only the file and directory names without any additional information such as size and date. This command is useful when you only need a list of names and don't require any other details about the files and directories.Rate this question:
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- 15.
Which DOS command is used to delete a directory that is empty?
- A.
del *.*
- B.
rd
- C.
erase
- D.
md
Correct Answer
B. rdExplanation
The "rd" command is used to delete a directory that is empty in DOS. This command stands for "remove directory" and is specifically designed to delete directories. It cannot be used to delete files or directories that contain files.Rate this question:
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- 16.
Which of the following operating systems does not implement multitasking truly?
- A.
Windows 95
- B.
Windows 98
- C.
Windows XP
- D.
MS DOS
Correct Answer
D. MS DOSExplanation
MS DOS does not implement multitasking truly. Unlike the other operating systems listed, MS DOS is a single-tasking operating system, meaning it can only run one program at a time. It does not have the capability to run multiple programs simultaneously or switch between them. This limitation makes it less efficient and less capable of handling multiple tasks compared to multitasking operating systems like Windows 95, Windows 98, and Windows XP.Rate this question:
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- 17.
The primary purpose of operating system is
- A.
to make the most efficient use of the computer hardware
- B.
to allow people to use the compute
- C.
to keep systems programmers employed
- D.
Option 4
Correct Answer
A. to make the most efficient use of the computer hardwareExplanation
The primary purpose of an operating system is to make the most efficient use of the computer hardware. This means that the operating system is responsible for managing the computer's resources, such as the CPU, memory, and storage, in order to ensure that they are utilized effectively and efficiently. By doing so, the operating system helps to optimize the performance of the computer and improve its overall efficiency.Rate this question:
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- 18.
.____ transforms one interface to another
- A.
program
- B.
Software
- C.
Data
- D.
None
Correct Answer
B. SoftwareExplanation
Software is the correct answer because it is a type of program that is designed to perform specific tasks on a computer. Software can transform one interface to another by providing the necessary tools and functionalities to convert data or modify the user interface of a program. It can enable compatibility between different systems or devices, allowing them to communicate and exchange information effectively.Rate this question:
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- 19.
.What is the system built directly on the hardware
- A.
Operating system
- B.
software
- C.
Program
- D.
None
Correct Answer
A. Operating systemExplanation
The correct answer is operating system. The operating system is a software program that is built directly on the hardware of a computer system. It manages the resources of the computer, such as memory, processing power, and input/output devices. It provides a user interface and allows users to interact with the computer and run other software programs. The operating system is essential for the functioning of a computer system as it acts as an intermediary between the hardware and software components.Rate this question:
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- 20.
Multi tasking is
- A.
easier to develop than single task
- B.
execute each job faster
- C.
execute more jobs at the same time period
- D.
used only in large computers
Correct Answer
C. execute more jobs at the same time periodExplanation
Multi-tasking refers to the ability of a computer or system to perform multiple tasks simultaneously. This means that it can execute more than one job or process at the same time period. This is achieved by dividing the available resources and allocating them to different tasks, allowing them to run concurrently. This increases efficiency and productivity as it reduces idle time and maximizes resource utilization. Multi-tasking is not limited to large computers and can be found in various devices and operating systems.Rate this question:
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- 21.
The first program that runs on a computer when the computers boot up
- A.
system software
- B.
operating system
- C.
system operations
- D.
None
Correct Answer
B. operating systemExplanation
The correct answer is "operating system". The operating system is the first program that runs on a computer when it boots up. It is responsible for managing the computer's hardware and software resources, providing a user interface, and coordinating the execution of other programs. Without an operating system, a computer would not be able to function properly.Rate this question:
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- 22.
An interface in a computer that consists program counters, registers, interrupts and terminals
- A.
Hardware
- B.
Software
- C.
Data
- D.
None
Correct Answer
A. HardwareExplanation
The given answer "hardware" is correct because an interface in a computer, which consists of program counters, registers, interrupts, and terminals, refers to the physical components of a computer system. These components are responsible for executing instructions, storing data, handling interruptions, and facilitating communication with external devices. Therefore, it can be concluded that the interface mentioned in the question is part of the computer's hardware.Rate this question:
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- 23.
Swapping actually
- A.
Works best with most computers
- B.
Allows many programs to use memory simultaneously
- C.
allows each program in turn to use the memory
- D.
Does not work with overlaying
Correct Answer
C. allows each program in turn to use the memoryExplanation
Swapping allows each program in turn to use the memory. This means that when multiple programs are running simultaneously, swapping allows each program to take turns using the available memory. This is important because it ensures that each program has access to the resources it needs to run efficiently. Swapping involves moving data between the computer's memory and the hard disk, allowing the computer to free up memory for other programs when needed.Rate this question:
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- 24.
Which is the valid filename in DOS
- A.
Ldce*.txt
- B.
ldce?.txt
- C.
ldce_$.txt
- D.
None
Correct Answer
C. ldce_$.txtExplanation
The valid filename in DOS is ldce_$.txt. In DOS, the dollar sign ($) is a valid character for a filename. Therefore, ldce_$.txt is a valid filename.Rate this question:
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- 25.
Which is a valid extension that a user is allowed to create on DOS
- A.
.exe
- B.
.com
- C.
.sys
- D.
.bat
Correct Answer
D. .batExplanation
The .bat extension is a valid extension that a user is allowed to create on DOS. This extension is used for batch files, which are scripts that contain a series of commands to be executed by the operating system. Batch files are commonly used for automating repetitive tasks or running multiple commands in sequence.Rate this question:
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