Computer Quiz for RRB PO/ Clerk Mains 25th September 2018

Q1. The most widely used type of database management system is the:

(a) Flat database

(b) Network database

(c) Relational database

(d) Hierarchical database

(e) None of the above

Q2. Setting fonts for the text in your document is an example of:

(a) Formatting

(b) Formulas

(c) Tracking changes

(d) Tools

(e) None of the above

Q3. Inheritance is the ability of an object to pass on its characteristics to its ____________.

(a) subclasses

(b) off-spring

(c) super classes

(d) parents

(e) none of the above

Q4. Linux is a_____

(a) Utility program for peer-to-peer file sharing

(b) Real-time operating system

(c) Network operating system

(d) PDA platform

(e) None of the above

Q5. Device on one network can communicate with devices on another network via_______

(a) File Server

(b) Utility Server

(c) Printer Server

(d) Gateway

(e) None of the above

Q6. WORM stands for?

(a) Write Once Read Many

(b) Wanted Once Read Memory

(c) Wanted Original Read Memory

(d) Write Original Read Memory

(e) None of the above

Q7. Website address is such a unique name which recognizes a specific ______ on web.

(a) Web browser

(b) Website

(c) PDA

(d) Link 

(e) Personal Computer

Q8. The ______ button on the Quick Access Toolbar allows you to cancel your recent commands or activities.

(a) Search

(b) Cut 

(c) Undo

(d) Redo

(e) Shift

Q9. _____ and _____ are the two types of computer memory.

(a) RAM and CPU

(b) ROM and CPU

(c) RAM and ROM

(d) RAM and BIOS

(e) BIOS and ROM

Q10. 30,000 bytes is nearly equal to _________.

(a) 30 KB

(b) 3 MB  

(c) 3 GB

(d) 3 TB 

(e) None of the above 

Solution

1.(c)

A relational database management system (RDBMS) is a database management system (DBMS) that is based on the relational model as invented by E. F. Codd. Relational databases have often replaced legacy hierarchical databases and network databases because they are easier to understand and use.

2.(a)

Formatting refers to changing font, font-size, indentation, appearance of the text.

3.(a)

A superclass passes its characteristics to it’s subclass in concept of inheritance in programming languages.

4.(b)

RT Linux is a hard real time RTOS microkernel that runs the entire Linux operating system as a fully preemptive process. The hard real-time property makes it possible to control robots, data acquisition systems, manufacturing plants, and other time-sensitive instruments and machines from RTLinux applications.

5.(d)

Explanation: In computer networking and telecommunications, a gateway is a component that is part of two networks, which use different protocols. The gateway will translate one protocol into the other.

6.(a)

In computer storage media, WORM (write once, read many) is a data storage technology that allows information to be written to a disc a single time and prevents the drive from erasing the data. The discs are intentionally not rewritable, because they are especially intended to store data that the user does not want to erase accidentally.

7.(b)

A URL is one type of Uniform Resource Identifier (URI); the generic term for all types of names and addresses that refer to objects on the World Wide Web. The term “Web address” is a synonym for a URL that uses the HTTP or HTTPS protocol.

8.(c)

 To undo an action Click Undo Button on the Quick Access Toolbar. Keyboard shortcut Press CTRL+Z or F2. For the F2 function key to undo your last action, you might need to press the F-Lock key.

9.(c)

RAM-Random Access Memory, ROM- Read Only Memory. RAM (Random Access Memory) and ROM (Read Only Memory) are types of computer memory that provide users with access to information stored on a computer.

10.(a)

1024 bytes = 1KB, hence 30,000 bytes are nearly equal to 30 KB.

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