Clerical Mains Computer Practice test 3
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Online Practice Test – 3
- Computer (Ques 1 to 30)
Time Duration 30 minutes.
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Question 1 of 30
1. Question
Category: ComputerWhat 3-D environment allows you to speak to someone who is far away but, at the same time, see them as a holographic image?
Correct
Solution: A cave automatic virtual environment (better known by the recursive acronym CAVE) is an immersive virtual reality environment where projectors are directed to between three and six of the walls of a room-sized cube.
Incorrect
Solution: A cave automatic virtual environment (better known by the recursive acronym CAVE) is an immersive virtual reality environment where projectors are directed to between three and six of the walls of a room-sized cube.
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Question 2 of 30
2. Question
Category: ComputerSoftware for particularly organizing, storage, updating and retrieving information is a(n)—
Correct
Solution: DBMS is designed to allow the definition, creation, querying, update, and administration of databases.
Incorrect
Solution: DBMS is designed to allow the definition, creation, querying, update, and administration of databases.
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Question 3 of 30
3. Question
Category: ComputerWhat is Window Explorer?
Correct
Solution: Windows Explorer displays the hierarchical structure of files, folders, and drives on your computer.
Incorrect
Solution: Windows Explorer displays the hierarchical structure of files, folders, and drives on your computer.
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Question 4 of 30
4. Question
Category: ComputerASCII code for alphabetic character requires ________ bits.
Correct
Solution: ASCII is a 7 bit code which means that it only uses the binary values.
Incorrect
Solution: ASCII is a 7 bit code which means that it only uses the binary values.
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Question 5 of 30
5. Question
Category: ComputerWhich of the following key is a minimal super key?
Correct
Solution: A candidate key is a column, or set of columns, in a table that can uniquely identify any database record without referring to any other data. Each table may have one or more candidate keys, but one candidate key is unique, and it is called the primary key. Candidate key is a minimal super key.
Incorrect
Solution: A candidate key is a column, or set of columns, in a table that can uniquely identify any database record without referring to any other data. Each table may have one or more candidate keys, but one candidate key is unique, and it is called the primary key. Candidate key is a minimal super key.
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Question 6 of 30
6. Question
Category: ComputerWhat is UTP in network terminology?
Correct
Solution: Short for unshielded twisted pair, a popular type of cable that consists of two unshielded wires twisted around each other. Due to its low cost, UTP cabling is used extensively for local-area networks (LANs) and telephone connections.
Incorrect
Solution: Short for unshielded twisted pair, a popular type of cable that consists of two unshielded wires twisted around each other. Due to its low cost, UTP cabling is used extensively for local-area networks (LANs) and telephone connections.
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Question 7 of 30
7. Question
Category: ComputerGiven the following URL – http://www.example.com:80/path/to/myfile.html
Here – ‘www.example.com’, ‘:80’ and stand for _____ and ______ respectively.Correct
Solution: http://www.example.com is domain name and :80 is the port number in the given URL.
Incorrect
Solution: http://www.example.com is domain name and :80 is the port number in the given URL.
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Question 8 of 30
8. Question
Category: ComputerThe term attribute refers to a ___________ of a table.
Correct
Solution: Attribute may refer to columns in a table and tuple refers to rows in a table.
Incorrect
Solution: Attribute may refer to columns in a table and tuple refers to rows in a table.
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Question 9 of 30
9. Question
Category: ComputerBefore use of DBMS information was stored using :
Correct
Solution: Earlier File Management Systems were used, before the usage of DBMS.
Incorrect
Solution: Earlier File Management Systems were used, before the usage of DBMS.
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Question 10 of 30
10. Question
Category: ComputerWhat does JAR stand for?
Correct
Solution: In software, JAR (Java Archive) is a package file format typically used to aggregate many Java class files and associated metadata and resources (text, images, etc.) into one file to distribute application software or libraries on the Java platform.
Incorrect
Solution: In software, JAR (Java Archive) is a package file format typically used to aggregate many Java class files and associated metadata and resources (text, images, etc.) into one file to distribute application software or libraries on the Java platform.
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Question 11 of 30
11. Question
Category: ComputerWhich among the following option specifies this action: Holding the mouse button down while moving an object of text?
Correct
Solution: Dragging is the gesture of Holding the mouse button down while moving an object of text or image or any file or its part.
Incorrect
Solution: Dragging is the gesture of Holding the mouse button down while moving an object of text or image or any file or its part.
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Question 12 of 30
12. Question
Category: ComputerName the program a personal computer’s microprocessor uses to get the computer system started after you turn it on.
Correct
Solution: BIOS (basic input/output system) is the program a personal computer’s microprocessor uses to get the computer system started after you turn it on. It also manages data flow between the computer’s operating system and attached devices such as the hard disk, video adapter, keyboard, mouse and printer.
Incorrect
Solution: BIOS (basic input/output system) is the program a personal computer’s microprocessor uses to get the computer system started after you turn it on. It also manages data flow between the computer’s operating system and attached devices such as the hard disk, video adapter, keyboard, mouse and printer.
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Question 13 of 30
13. Question
Category: ComputerWhich of the following shortcut key is used to search for a file or folder?
Correct
Incorrect
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Question 14 of 30
14. Question
Category: ComputerMPEG stands for:
Correct
Solution: MPEG refers to Moving Pictures Experts Group and represents a set of various standards for encoding audio and video multimedia content.
Incorrect
Solution: MPEG refers to Moving Pictures Experts Group and represents a set of various standards for encoding audio and video multimedia content.
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Question 15 of 30
15. Question
Category: ComputerAs you create documents, graphs and pictures your computer holds the data in—
Correct
Incorrect
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Question 16 of 30
16. Question
Category: ComputerWhich of the following is data that has been organized or presented in a meaningful fashion?
Correct
Incorrect
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Question 17 of 30
17. Question
Category: ComputerWhich process check to ensure the components of the computer are operating and connected properly?
Correct
Solution: Booting is a startup sequence that starts the operating system of a computer when it is turned on. A boot sequence is the initial set of operations that the computer performs when it is switched on. Every computer has a boot sequence. The average computer doesn’t understand the boot sequence but is important to know for customizing and troubleshooting your computer.
Incorrect
Solution: Booting is a startup sequence that starts the operating system of a computer when it is turned on. A boot sequence is the initial set of operations that the computer performs when it is switched on. Every computer has a boot sequence. The average computer doesn’t understand the boot sequence but is important to know for customizing and troubleshooting your computer.
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Question 18 of 30
18. Question
Category: ComputerAlt+F4 is used for:
Correct
Incorrect
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Question 19 of 30
19. Question
Category: ComputerER Diagram in DBMS is a graphical method used to represent _________.
Correct
Solution: An ER model is composed of entity types (which classify the things of interest) and specifies relationships that can exist between instances of those entity types.
Incorrect
Solution: An ER model is composed of entity types (which classify the things of interest) and specifies relationships that can exist between instances of those entity types.
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Question 20 of 30
20. Question
Category: ComputerWhat is Visual FOXPRO?
Correct
Solution: Visual FoxPro is a data-centric, object-oriented, procedural, programming language produced by Microsoft. It is derived from FoxPro (originally known as FoxBASE) which was developed by Fox Software beginning in 1984.
Incorrect
Solution: Visual FoxPro is a data-centric, object-oriented, procedural, programming language produced by Microsoft. It is derived from FoxPro (originally known as FoxBASE) which was developed by Fox Software beginning in 1984.
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Question 21 of 30
21. Question
Category: ComputerThe term ‘time sharing’ has been replaced by:
Correct
Solution: In computing, multitasking is a concept of performing multiple tasks (also known as processes) over a certain period of time by executing them concurrently. They’ve replaced time sharing terminology.
Incorrect
Solution: In computing, multitasking is a concept of performing multiple tasks (also known as processes) over a certain period of time by executing them concurrently. They’ve replaced time sharing terminology.
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Question 22 of 30
22. Question
Category: ComputerThe analytical engine developed during first generation of computers used __________ as a memory unit.
Correct
Solution: The analytical engine developed during first generation of computers used counter wheels as a memory unit
Incorrect
Solution: The analytical engine developed during first generation of computers used counter wheels as a memory unit
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Question 23 of 30
23. Question
Category: ComputerThe process of connecting/ accessing to an account is called as:
Correct
Solution: Login is the process of connecting/ accessing to an account.
Incorrect
Solution: Login is the process of connecting/ accessing to an account.
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Question 24 of 30
24. Question
Category: ComputerWhich of the following is true about Assembly language?
Correct
Solution: An assembly (or assembler) language, is a low-level programming language for a computer, or other programmable device.
Incorrect
Solution: An assembly (or assembler) language, is a low-level programming language for a computer, or other programmable device.
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Question 25 of 30
25. Question
Category: ComputerTriangle represents ∆ (1) and circle represents ○ (0). If triangle appears in unit’s place then its value is 1. If it appears in 10’s place its value is doubled to 2 like that it continues. Using the given terminology answer the following questions. For example:
∆ = 1
∆○∆ = 4, 0, 1 = 4+0+1
∆○ = 2How will you represent ‘87’ in this code language?Correct
Solution:
Incorrect
Solution:
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Question 26 of 30
26. Question
Category: ComputerTriangle represents ∆ (1) and circle represents ○ (0). If triangle appears in unit’s place then its value is 1. If it appears in 10’s place its value is doubled to 2 like that it continues. Using the given terminology answer the following questions. For example:
∆ = 1
∆○∆ = 4, 0, 1 = 4+0+1
∆○ = 2What will be the code for ∆∆○○○∆○?Correct
Solution:
Incorrect
Solution:
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Question 27 of 30
27. Question
Category: ComputerTriangle represents ∆ (1) and circle represents ○ (0). If triangle appears in unit’s place then its value is 1. If it appears in 10’s place its value is doubled to 2 like that it continues. Using the given terminology answer the following questions. For example:
∆ = 1
∆○∆ = 4, 0, 1 = 4+0+1
∆○ = 2Correct
Solution: 1’s complement of 1101 = 0010 = 2
Incorrect
Solution: 1’s complement of 1101 = 0010 = 2
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Question 28 of 30
28. Question
Category: ComputerCorrect
Solution:
Incorrect
Solution:
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Question 29 of 30
29. Question
Category: Computer_________ are the gates that can be used to implement any type of Boolean logic.
Correct
Solution: Universal gates are the gates that can be used to implement any type of Boolean logic or circuit. There are two universal gates, namely, NAND gate and NOR gate, which can be used to implement any of the basic logic gates.
Incorrect
Solution: Universal gates are the gates that can be used to implement any type of Boolean logic or circuit. There are two universal gates, namely, NAND gate and NOR gate, which can be used to implement any of the basic logic gates.
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Question 30 of 30
30. Question
Category: ComputerWhat is the term used as basic transfer unit associated with a packet-switched network?
Correct
Solution: A datagram is a basic transfer unit associated with a packet-switched network. Datagrams are typically structured in header and payload sections. Datagrams provide a connectionless communication service across a packet-switched network.
Incorrect
Solution: A datagram is a basic transfer unit associated with a packet-switched network. Datagrams are typically structured in header and payload sections. Datagrams provide a connectionless communication service across a packet-switched network.
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