MCQs in Computer Knowledge

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1. Which of the following is the World’s fastest Supercomputer?
1. Jaguar    
2. Roadrunner    
3. Nebulae   
4. Kraken XT5  
5. Tianhe-2
2. Which program is used to convert assembly language to machine language?
1. Compiler  
2. Interpreter  
3. Linker  
4. Assembler  
5. None
3. Which of the following is not an operating system for personal computers?
1. Windows XP  
2. Windows 7  
3. Red Hat Linux  
4. Google’s Nexus One  
5. Unix
4. What is a ‘tuple’?
1. Another name for a table in an RDBMS.
2. Another name for the key linking different tables in a database.
3. Initial seed value of a field
4. A row or record in a database table.
5. An attribute attached to a record.
5. Which device act as a traffic cop over a network?
1. Modem  
2. Hub  
3. Switch  
4. Router  
5. None
6. Which term identifies a specific computer on the web and the main page of the entire site?
1. URL  
2. Hyperlink  
3. Web site address  
4. Domain name  
5. None of these
7. What is the file extension used for Microsoft Word document templates?
1. .dot  
2. .wdt  
3. .txt  
4. .exe  
5. .docx
8. The section of CPU which selects, interprets and sees to the execution of program instructions?
1. ALU  
2. Control Unit  
3. Register Unit  
4. Processing Unit  
5. None
9. Which one of the following work as both an input and output device?
1. Keyboard  
2. QWERTY Keyboard  
3. Mouse   
4. Scanner  
5. Modem
10. A 32 bit computer word consists of………?
1. 4 bytes  
2. 8 bytes  
3. 16 bytes  
4. 32 bytes  
5. None
11. What is the communications protocol that allows you to connect your computer to the Internet using a standard telephone line ?
1. HTTP  
2. ISDN  
3. SLIP  
4. TCP/IP  
5. None
12. A group of attribute/field in a database is known as a______.
1. Record  
2. File  
3. Database  
4. Entry  
5. None
13. A ______ describe a category of information in a table of database.
1. Record  
2. File  
3. Entry  
4. Field  
5. None
14. What does SATA stands for?
1. Super Advanced Technology Attachment
2. Serial Advanced Technology Attachment
3. Serial Access Technology Attachment
4. Small Access Technology Attachment
5. None
15. The correct hierarchical order, smallest to largest, for the following database terms is:
1. File, Field, Record, Database
2. File, Record, Field, Database
3. Record, Field, File, Database
4. Field, Record, File, Database
5. None of the above
16. In RDBMS , DBA is responsible for:
1. Physical database design
2. Defining conceptual models and schema
3. Defining security and integrity rules
4. Defining backup and recovery mechanisms
5. All the above
17. A goal of data mining includes which of the following?
1. To confirm that data exists
2. To create a new data warehouse
3. To analyze data for expected relationships
4. To explain some observed event or condition
5. None of the above
18. Which of the following programming method is used to minimize data errors when data is transferred over a network?
1. Checksum 
2. Checkbit 
3. Cryptography
4. Encryption 
5. None
19. How many layers are present in Open System Interconnection (OSI) model of network architecture?
1. Five  
2. Six  
3. Seven  
4. Eight 
5. None of these
20. When data changes in multiple lists and all lists are not updated, this causes _______.
1. Duplicate data
2. Data redundancy
3. Data inconsistency
4. Information overload
5. None

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