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Wednesday, 17 January 2018

MCQ Questions and Answers OSI MODEL

MCQ Questions and Answers

OSI MODEL

NOTE --No one claims that these questions will be asked in the examination or whatsoever. These are the frequently asked questions in Competitive Exams

Q.1. Routers operate at which layer of the OSI Model?

A. Physical B. Network C. MAC sub layer of the Data Link layer D. Transport

Q.2 Which layer translates between physical (MAC) and logical addresses?

A. Physical B. Network C. MAC sub layer of the Data Link layer D. Transport

Q.3 Which layer is responsible for packet sequencing, acknowledgements, & requests for retransmission?

A. Session B. Data Link C. Transport D. Network

Q.4 What are the sub layers of the Data Link layer?

A. hardware & frame B. WAN & LAN

C. MAC & IPX D. MAC & LLC

Q.5 Which layer translates between physical & logical addresses?

A. the MAC sub layer of the Data Link layer B. Transport

C. Physical D. Network

Informatics Assistant Capsules -8

Informatics Assistant

Capsules -8

MS- WORD

Q.1  Which simplifies the process of formatting text if the same formatting is required in more than one location?
A. Auto Text   B. Format Painter C. Font dialog box D. None of the above

Q.2. Which of the following is best for quick copy operation?
A. Copy and Paste      B. Windows Clipboard          C. Drag and Drop    D. Auto Text

Q.3. Which of the following operations moves text from clipboard?
A. Copy          B. Paste          C. Drag and Drop       D. Cut

Q.4. Which of the following provides a list of synonyms?
A. Find command       B. Replace Command            C. Thesaurus D. Spelling and Grammar

Q.5. Which of the following helps to reduce spelling error in the document?
A. Auto Format           B. Auto Correct         C. Smart Tags                         D. Auto Text

Q.6. Auto text and Auto correct are ___________ tools.
A. styling         B. editing                   C. designing                D. none of the above

Q.7. Which of the following enables you to make multiple changes in a document at once?
A. find command        B. Replace command              C. Drag and Drop       D. copy command

Q.8. Which of the following commands should you always use before submitting a document to thers?
A. find command   B. Replace command     C. Spelling and Grammar     D. Thesaurus

Q.9. Which of the following enables you to paste data multiple times?
A. windows clipboard            B. office clipboard C. both A and B             D. none of the above

Q.10. Which of the following do you use to change margins?
A. formatting toolbar               B. page setup dialog box
C. Standard toolbar   D. paragraph dialog box

Q.11. When sharing data in Office, the ……… document is the document in which the data was first entered.
A. source           B. destination             C. original              D. primary
Q.12. Which command is used to establish a link between a source document and a destination document?
A. Tools, Link, Documents B. Tools, Link
C. Edit, Link                                           D. Edit, Paste Special

Q.13. Which option enables automatic updates in destination documents?
A. embedding              B. objects        C. links           D. relationships

Q.14. Which is an Office feature that makes it easy to edit embedded objects?
A. pasting       B. visual editing         C. tools, update, links             D. edit, links

Q.15. Which is true when you insert an excel worksheet into a word document?
A. word is the destination document   B. excel is the destination document
C. the worksheet is the destination document
D. the document is the source document

Q.16. What would you do when you want to update the data in an embedded worksheet range?
A. double click the worksheet range object
B. right click worksheet range object & choose format object
C. edit the data in the destination document
D. edit the data in the source document.

Q.17. Which can be used for quick access to commonly used commands and tools?
A. Status bar    B. Tool bar                             C. Menu bar                            D. Title bar

Q.18. With which view can you see how text and graphics will appear on the printed page?
A. Normal                   B. Print Layout                     C. Outline                    D. Web Layout

Q.19. Which simplifies the process of formatting text if the same formatting is required in more than one location?

A. Auto Text B. Format Painter    C. Font dialog box                  D. None of the above

Q.20. Which of the following is best for quick copy operation?
A. Copy and Paste      B. Windows Clipboard C. Drag and Drop D. Auto Text

Informatics Assistant 2018 Capsules -7

Informatics Assistant 2018

Capsules -7

MS WORD

Q.1. Which enables us to send the same letter to different persons?
A. macros        B. template      C. mail merge       D. none

Q.2. Which key deletes the character to the left of the cursor?
A. End             B. Backspace        C. Home         D. Delete

Q.3. Which key deletes the character to the right of the cursor?
A. End                         B. Backspace C. Home          D. Delete

Q.4. Which would you choose to save a document with a new name?
A. Press Ctrl+S B. Click File, Save
C. Click Tools, Options, Save D. Click File, Save As

Q.5. Which would you choose to move selected text from one place to another?
A. Move and Paste B. Copy and Paste
C. Cut and Paste   D. Delete and Paste

Q.6. How do you magnify your document?
A. View, Zoom B. Format, Font
C. Tools, Options D. Tools, Customize

Q.7. Which enables you to move directly to specific location in a document?
A. Subdocuments    B. Bookmarks
C. Cross-references D. Outlines

Q.8. What are inserted as cross-reference in Word?
A. Placeholders           B. Bookmarks C. Objects       D. Word fields

Q.9. Which keystroke is used for updating a field?
A. F6                          B. F9               C. F11            D. F12

Q.10. A master document contains ………, each of which contains a pointer to a file on a disk?
A. Placeholders           B. subdocuments      C. bookmarks              D. references

Q.11. When typing in a word field manually, what must you press to insert the code’s braces?
A. Ctrl + F6                 B. Ctrl + F9                C. Alt + F11                D. Shift + F12

Q.12. A word field may consist of an optional field instruction called a(n) …………..
A. subdocument          B. symbol        C. signal         D. switch

Q.13. Footnotes, endnotes, and indexes are all inserted as ………….
A. bookmarks             B. cross-references     C. hyperlinks D. word fields

Q.14. Before creating a master document, you must switch to..……
A. Normal View B. Outline View
C. Web Layout View D. Print Layout View

Q.15. Before moving a subdocument to another location within a master document, you must switch to …………..
A. Normal View        B. Outline View         C. Web Layout View D. Print Layout View

Q.16. Which of the following can be used to navigate documents?
A. frames         B. hyperlinks C. web toolbar            D. all of the above

Q.17. Which of the following can be used to divide a web page into areas?
A. frames       B. theme          C. table of contents                  D. none of the above

Q.18. By default, Word automatically formats each heading in a table of contents as ………..
A. bookmarks              B. cross-references      C. hyperlinks                         D. word-fields

Q.19. The ability to combine name and addresses with a standard document is called ……….
A. document formatting B. database management
C. mail merge     D. form letters

Q.20. Which feature is used for monitoring all document changes?
A. Edit Document       B. Monitor Change     C. Track Change      D. Track all

Tuesday, 16 January 2018

OSI Model For Informatics Assistant 2018

OSI Model Layers in Computer Networks

OSI stands for Open System Interconnection Model(OSI Model). It use to transfer data over a network which moves through different layer.It has 7 layer which divided into two level : upper or host & lower or media level data moves through different stages like (in ascending order) bits,frames,packets,segments.

1. Physical layer :

Prepare the physical devices enabling devices for transmission of data and data is received.
It is responsible for establish and termination of connection between two nodes over a network.
It defines the medium of transmission of data like: simple(one way transmission,eg t.v),half duplex(two way transmission but partially,eg: walki talki), full duplex(Two way transmission of data, eg: mobile or phone)

2. Data link Layer :

It provides permission to devices for gain access to data.It controlling devices over a netwrork.
Data is sent to Network layer in the form of packets and it is responsible to controls error checking and packet synchronization.

3. Network layer :

In a network each node(computer) has a unique address here network layer is responsible for letting the data to its destination address or node.
It splits the data or message into several Packet, delivering each Packet by a separate route and reassembling the Packet , report delivery errors, etc.(like phone calls which you made, first it sounds like beep that is a second which it take to you to connect with available line.)

4. Transport layer :

It manages connection and handle errors while delivering of data or message over a network.
Connection-oriented network
Connection less network
Concatenation and separation
Segmentation and reassembly

5. Session layer :

It starts , manages and stop the connection between nodes.
It provides checkpointing, adjournment, termination, and restart procedures.

6. Presentation layer :

It encrypt the message or data and provide to application layer.

7. Application layer :

It interact with software.
Some example of Application layer : Web Browser , Mails

Informatics Assistant 2018 Capsules -6

Informatics Assistant 2018

Capsules -6

(Computer Fundamental )

Q.1 The wheel located between the two standard buttons on a mouse is used to ____

(A) Click on web pages (B) Shutdown

(A) Input data (B) Store data

Q.3 Signals or data sent from system is called as ______________.

(A) Output (B) Exception

Q.4 MICR stands for ?

(A) Magnetic initiate character recognition

(B) Magnetic ink character recognition

(D) Magnetic internal character recognition

Q.5 Which parameter defines number of times electron beam scans screen in a second ?

(A) Data transfer rate (B) Refresh rate

Q.6 Which among following is associated with monitor ?

(A) CRT (B) ALU (C) CU (D) ARU

Q.7 Range of colors depends on ?

(A) Number of bits code lines with each pixel

(B) Number of bits associated with each pixel

(D) Number of code associated with each pixel

Q.8 Which interface is an entity that controls data transfer from external device, main memory and or CPU registers?

(A) CPU interface (B) I/O interface

Q.9 Output devices are commonly referred as

(A) Hosts (B) Receivers

Q.10 A binary number with 4 bits is called

(A) Bytes (B) Bits

(C)Nibble (D) Dibble

Q.11 Which of the following are components of Central Processing Unit (CPU) ?

(A) Arithmetic logic unit, Mouse

(B) Arithmetic logic unit, Control unit

(D) Control Unit, Monitor

Q.12 Where is RAM located ?

(A) Expansion Board (B) External Drive

Q.13 Which printer uses a combination of laser-beam & electro photographic techniques.

(A) Laser printers (B) Dot-Matrix

Q.14 Which of the following is not an output device of a computer?

(A) Printer (B) keyboard

Q.15 The _____________ pen is a small input device used to select and display objects on a screen.

(A) Ink (B) Magnetic

Q.16 The joystick is a ____________ stick that moves the graphic cursor in the direction the stick is moved.

(A) Parallel (B) Horizontal

Q.17 The user moves the Trackball with the help of the stick that can be moved _________________________, to move and position the cursor in the desired location.

(A) Left (B) Right

Q.18 The ____________ is a pointing device that is much like an inverted mouse.

(A) Joystick (B) Trackball

Q.19 A web camera is a video capturing device attached to the computer system, mostly using a _________________.

(A) Socket (B) USB Port

Q.20 Scanning devices are input devices used for direct data entry from the source document into the ______________________ .

(A) Keyboard (B) Screen

Q.21 With the help of the _______________ you can capture your images and documents and convert it into digital formats for easy storage.

(A) Scanner (B) Web Camera

Q.22 The ______________ devices can scan marks from a computer-readable paper.

(A) CRT (B) OMR (C) LCD (D)All

Q.23 _________________ are based on the use of a series of nozzles for propelling droplets of printing ink directly on almost any size of paper.

(A) Dot-matrix (B) Laser Printers

Q.24 Daisy-wheel printer comes in the category of output device and quite similar to ______________ .
(A) Keyboards (B) Typewriters
(C) Lasers (D) None

Q.25 The printing speed of page printer is very high and the output is __________ at a time.
(A) Three (B) Multiple
(C) Ten (D) A page

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Thursday, 18 January 2018

Informatics Assistant Capsules -10

Informatics Assistant Capsules -9