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?
CorrectSolution: 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.
IncorrectSolution: 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.
- Question 2 of 30
2. Question
Category: ComputerSoftware for particularly organizing, storage, updating and retrieving information is a(n)—
CorrectSolution: DBMS is designed to allow the definition, creation, querying, update, and administration of databases.
IncorrectSolution: DBMS is designed to allow the definition, creation, querying, update, and administration of databases.
- Question 3 of 30
3. Question
Category: ComputerWhat is Window Explorer?
CorrectSolution: Windows Explorer displays the hierarchical structure of files, folders, and drives on your computer.
IncorrectSolution: Windows Explorer displays the hierarchical structure of files, folders, and drives on your computer.
- Question 4 of 30
4. Question
Category: ComputerASCII code for alphabetic character requires ________ bits.
CorrectSolution: ASCII is a 7 bit code which means that it only uses the binary values.
IncorrectSolution: ASCII is a 7 bit code which means that it only uses the binary values.
- Question 5 of 30
5. Question
Category: ComputerWhich of the following key is a minimal super key?
CorrectSolution: 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.
IncorrectSolution: 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.
- Question 6 of 30
6. Question
Category: ComputerWhat is UTP in network terminology?
CorrectSolution: 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.
IncorrectSolution: 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.
- 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.CorrectSolution: http://www.example.com is domain name and :80 is the port number in the given URL.
IncorrectSolution: http://www.example.com is domain name and :80 is the port number in the given URL.
- Question 8 of 30
8. Question
Category: ComputerThe term attribute refers to a ___________ of a table.
CorrectSolution: Attribute may refer to columns in a table and tuple refers to rows in a table.
IncorrectSolution: Attribute may refer to columns in a table and tuple refers to rows in a table.
- Question 9 of 30
9. Question
Category: ComputerBefore use of DBMS information was stored using :
CorrectSolution: Earlier File Management Systems were used, before the usage of DBMS.
IncorrectSolution: Earlier File Management Systems were used, before the usage of DBMS.
- Question 10 of 30
10. Question
Category: ComputerWhat does JAR stand for?
CorrectSolution: 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.
IncorrectSolution: 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.
- 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?
CorrectSolution: Dragging is the gesture of Holding the mouse button down while moving an object of text or image or any file or its part.
IncorrectSolution: Dragging is the gesture of Holding the mouse button down while moving an object of text or image or any file or its part.
- 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.
CorrectSolution: 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.
IncorrectSolution: 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.
- Question 13 of 30
13. Question
Category: ComputerWhich of the following shortcut key is used to search for a file or folder?
CorrectIncorrect - Question 14 of 30
14. Question
Category: ComputerMPEG stands for:
CorrectSolution: MPEG refers to Moving Pictures Experts Group and represents a set of various standards for encoding audio and video multimedia content.
IncorrectSolution: MPEG refers to Moving Pictures Experts Group and represents a set of various standards for encoding audio and video multimedia content.
- Question 15 of 30
15. Question
Category: ComputerAs you create documents, graphs and pictures your computer holds the data in—
CorrectIncorrect - Question 16 of 30
16. Question
Category: ComputerWhich of the following is data that has been organized or presented in a meaningful fashion?
CorrectIncorrect - Question 17 of 30
17. Question
Category: ComputerWhich process check to ensure the components of the computer are operating and connected properly?
CorrectSolution: 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.
IncorrectSolution: 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.
- Question 18 of 30
18. Question
Category: ComputerAlt+F4 is used for:
CorrectIncorrect - Question 19 of 30
19. Question
Category: ComputerER Diagram in DBMS is a graphical method used to represent _________.
CorrectSolution: 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.
IncorrectSolution: 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.
- Question 20 of 30
20. Question
Category: ComputerWhat is Visual FOXPRO?
CorrectSolution: 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.
IncorrectSolution: 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.
- Question 21 of 30
21. Question
Category: ComputerThe term ‘time sharing’ has been replaced by:
CorrectSolution: 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.
IncorrectSolution: 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.
- Question 22 of 30
22. Question
Category: ComputerThe analytical engine developed during first generation of computers used __________ as a memory unit.
CorrectSolution: The analytical engine developed during first generation of computers used counter wheels as a memory unit
IncorrectSolution: The analytical engine developed during first generation of computers used counter wheels as a memory unit
- Question 23 of 30
23. Question
Category: ComputerThe process of connecting/ accessing to an account is called as:
CorrectSolution: Login is the process of connecting/ accessing to an account.
IncorrectSolution: Login is the process of connecting/ accessing to an account.
- Question 24 of 30
24. Question
Category: ComputerWhich of the following is true about Assembly language?
CorrectSolution: An assembly (or assembler) language, is a low-level programming language for a computer, or other programmable device.
IncorrectSolution: An assembly (or assembler) language, is a low-level programming language for a computer, or other programmable device.
- 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?CorrectSolution:
IncorrectSolution:
- 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 ∆∆○○○∆○?CorrectSolution:
IncorrectSolution:
- 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
∆○ = 2CorrectSolution: 1’s complement of 1101 = 0010 = 2
IncorrectSolution: 1’s complement of 1101 = 0010 = 2
- Question 28 of 30
28. Question
Category: ComputerCorrectSolution:
IncorrectSolution:
- Question 29 of 30
29. Question
Category: Computer_________ are the gates that can be used to implement any type of Boolean logic.
CorrectSolution: 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.
IncorrectSolution: 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.
- Question 30 of 30
30. Question
Category: ComputerWhat is the term used as basic transfer unit associated with a packet-switched network?
CorrectSolution: 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.
IncorrectSolution: 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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