Kamal Sharma: November 2016

Aptitude Questions

(Datatypes C#)

1.
Which of the following statements are correct about data types?

1. If the integer literal exceeds the range of byte, a compilation error will occur.
2. We cannot implicitly convert non-literal numeric types of larger storage size to byte.
3. Byte cannot be implicitly converted to float.
4. A char can be implicitly converted to only int data type.
5. We can cast the integral character codes.
A.
1, 3, 5
B.
2, 4
C.
3, 5
D.
1, 2, 5

2.
Which of the following is an 8-byte Integer?
A.
Char
B.
Long
C.
Short
D.
Byte
E.
Integer

4.
Which of the following statements is correct?
A.
Information is never lost during narrowing conversions.
B.
The CInteger() function can be used to convert a Single to an Integer.
C.
Widening conversions take place automatically.
D.
Assigning an Integer to an Object type is known as Unboxing.
E.
3.14 can be treated as Decimal by using it in the form 3.14F.

5.
Which of the following are value types?
1. Integer
2. Array
3. Single
4. String
5. Long
A.
1, 2, 5
B.
1, 3, 5
C.
2, 4
D.
3, 5

6.
Which of the following does not store a sign?
A.
Short
B.
Integer
C.
Long
D.
Byte
E.
Single

7. What is the size of a Decimal?
A.
4 byte
B.
8 byte
C.
16 byte
D.
32 byte

8.
Which of the following is the correct size of a Decimal datatype?
A.
8 Bytes
B.
4 Bytes
C.
10 Bytes
D.
16 Bytes
E.
None of the above.

(Networking)

1.
How long is an IPv6 address?
A.
32 bits
B.
128 bytes
C.
64 bits
D.
128 bits

2.
What flavor of Network Address Translation can be used to have one IP address allow many users to connect to the global Internet?
A.
NAT
B.
Static
C.
Dynamic
D.
PAT

3.
What are the two main types of access control lists (ACLs)?
1. Standard
2. IEEE
3. Extended
4. Specialized
A.
1 and 3
B.
2 and 4
C.
3 and 4
D.
1 and 2

Shortcuts keys

Aero Shortcuts

Windows + Spacebar
Make all open windows transparent to view gadgets and icons on desktop.

· [Windows] + [D] (Aero Peek)
Show or hide the desktop.
· [Windows] + [Home] (Aero Shake)
Minimize all but selected window. Reverse by clicking the key combination again.
· [Windows] + left arrow OR [Windows] + right arrow (Aero Snap)
Dock selected window to the left or right half of your screen.
· [Windows] + up arrow OR [Windows] + down arrow (Aero Snap)
Maximized and restores the selected window.
· [Windows] + [SHIFT] + up arrow OR [Windows] + [SHIFT] + down arrow
Maximizes and restores selected window in vertical dimension only.
· Windows + Tab
Launch 3D representation of open windows and click [Tab] key again to flip through them.

Window 10 Keyboard shortcuts
Press this key
To do this
Ctrl+C (or Ctrl+Insert)
Copy the selected item
Ctrl+X
Cut the selected item
Ctrl+V (or Shift+Insert)
Paste the selected item
Ctrl+Z
Undo an action
Alt+Tab
Switch between open apps
Alt+F4
Close the active item, or exit the active app
Windows logo key Windows logo key+L
Lock your PC or switch accounts
Windows logo key Windows logo key+D
Display and hide the desktop

50 Windows 8 Keyboard Shortcuts You Should Know
Windows Key + D
Show Desktop
Windows Key + C
Open Charms Menu
Windows Key + F
Charms Menu – Search
Windows Key + H
Charms Menu – Share
Windows Key + K
Charms Menu – Devices
Windows Key + I
Charms Menu – Settings
Windows Key + Q
Search For Installed Apps
Windows Key + W
Search Settings
Windows Key + Tab
Cycle through open Modern UI Apps
Windows Key + Shift + Tab
Cycle through open Modern UI Apps in reverse order
Windows Key + .
Snaps app to the right (split screen multitasking)
Windows Key + Shift + .
Snaps app to the left (split screen multitasking)
Windows Key + ,
Temporarily view desktop
Alt + F4
Quit Modern UI Apps
Windows Key + E
Launch Windows Explorer Window
Windows Key + L
Lock PC and go to lock screen
Windows Key + T
Cycle through icons on taskbar (press Enter to launch app)
Windows Key + X
Show Advanced Windows Settings Menu
Windows Key + E
Launch Windows Explorer Window
Windows Key + Page Down
Moves Start screen and apps to secondary monitor on the right
Windows Key + M
Minimize all Windows
Windows Key + Shift + M
Restore all minimized Windows
Windows Key + R
Open Run dialog box
Windows Key + Up Arrow
Maximize current window
Windows Key + Down Arrow
Minimize current window
Windows Key + Left Arrow
Maximize current window to left side of the screen
Windows Key + Right Arrow
Maximize current window to right side of the screen
Ctrl + Shift + Escape
Open Task Manager
Windows Key + Print Screen
Takes a Print Screen and saves it to your Pictures folder
Windows Key + Page Up
Moves Start screen and apps to secondary monitor on the left
Windows Key + Pause Break
Display System Properties
Shift + Delete
Permanently delete files without sending it to Recycle Bin
Windows Key + F1
Open Windows Help and Support
Windows Key + V
Cycle through notifications
Windows Key + Shift + V
Cycle through notifications in reverse order
Windows Key + 0 to 9
Launch/show app pinned to taskbar at indicated number
Windows Key + Shift + 0 to9
Launch new instance of app pinned to taskbar at indicated number
Alt + Enter
Display Properties of selected item in File Explorer
Alt + Up Arrow
View upper level folder of current folder in File Explorer
Alt + Right Arrow
View next folder in File Explorer
Alt + Left Arrow
View previous folder in File Explorer
Windows Key + P
Choose secondary display modes
Windows Key + U
Open Ease of Access Center
Alt + Print Screen
Print Screen focused Window only
Windows Key + Spacebar
Switch input language and keyboard layout
Windows Key + Shift +Spacebar
Switch to previous input language and keyboard layout
Windows Key + Enter
Open Narrator
Windows Key + +
Zoom in using Magnifier
Windows Key + -
Zoom out using Magnifier
Windows Key + Escape
Exit Magnifier
Microsoft Natural Keyboard keys

· Windows Logo: Start menu
· Windows Logo+R: Run dialog box
· Windows Logo+M: Minimize all
· SHIFT+Windows Logo+M: Undo minimize all
· Windows Logo+F1: Help
· Windows Logo+E: Windows Explorer
· Windows Logo+F: Find files or folders
· Windows Logo+D: Minimizes all open windows and displays the desktop
· CTRL+Windows Logo+F: Find computer
· CTRL+Windows Logo+TAB: Moves focus from Start, to the Quick Launch toolbar, to the system tray (use RIGHT ARROW or LEFT ARROW to move focus to items on the Quick Launch toolbar and the system tray)
· Windows Logo+TAB: Cycle through taskbar buttons
· Windows Logo+Break: System Properties dialog box
· Application key: Displays a shortcut menu for the selected item

Mouse click/keyboard modifier combinations for shell objects
· SHIFT+right click: Displays a shortcut menu containing alternative commands
· SHIFT+double click: Runs the alternate default command (the second item on the menu)
· ALT+double click: Displays properties
· SHIFT+DELETE: Deletes an item immediately without placing it in the Recycle Bin
Windows program key combinations

CTRL+C: Copy
CTRL+X: Cut
CTRL+V: Paste
CTRL+Z: Undo
CTRL+B: Bold
CTRL+U: Underline
CTRL+I: Italic

Windows system key combinations
· F1: Help
· CTRL+ESC: Open Start menu
· ALT+TAB: Switch between open programs
· ALT+F4: Quit program
· SHIFT+DELETE: Delete item permanently
· Windows Logo+L: Lock the computer (without using CTRL+ALT+DELETE)

Microsoft Word shortcut keys

Shortcut Description
Ctrl + 0 Adds or removes 6pts of spacing before a paragraph.
Ctrl + A Select all contents of the page.
Ctrl + B Bold highlighted selection.
Ctrl + C Copy selected text.
Ctrl + D Open the font preferences window.
Ctrl + E Aligns the line or selected text to the center of the screen.
Ctrl + F Open find box.
Ctrl + I Italic highlighted selection.
Ctrl + J Aligns the selected text or line to justify the screen.
Ctrl + K Insert link.
Ctrl + L Aligns the line or selected text to the left of the screen.
Ctrl + M Indent the paragraph.
Ctrl + P Open the print window.
Ctrl + R Aligns the line or selected text to the right of the screen.
Ctrl + S Save the open document. Just like Shift + F12.
Ctrl + T Create a hanging indent.
Ctrl + U Underline highlighted selection.
Ctrl + V Paste.
Ctrl + X Cut selected text.
Ctrl + Y Redo the last action performed.
Ctrl + Z Undo last action.
Ctrl + Shift + L Quickly create a bullet point.
Ctrl + Shift + F Change the font.
Ctrl + Shift + > Increase selected font +1pts up to 12pt and then increases font +2pts.
Ctrl + ] Increase selected font +1pts.
Ctrl + Shift + < Decrease selected font -1pts if 12pt or lower, if above 12 decreases font by +2pt.
Ctrl + [ Decrease selected font -1pts.
Ctrl + / + c Insert a cent sign (¢).
Ctrl + ' + <char> Insert a character with an accent (grave) mark, where <char> is the character you want. For example, if you wanted an accented è you would use Ctrl + ' + e as your shortcut key. To reverse the accent mark use the opposite accent mark, often on the tilde key.
Ctrl + Shift + * View or hide non printing characters.
Ctrl + <left arrow> Moves one word to the left.
Ctrl + <right arrow> Moves one word to the right.
Ctrl + <up arrow> Moves to the beginning of the line or paragraph.
Ctrl + <down arrow> Moves to the end of the paragraph.
Ctrl + Del Deletes word to right of cursor.
Ctrl + Backspace Deletes word to left of cursor.
Ctrl + End Moves the cursor to the end of the document.
Ctrl + Home Moves the cursor to the beginning of the document.
Ctrl + Spacebar Reset highlighted text to the default font.
Ctrl + 1 Single-space lines.
Ctrl + 2 Double-space lines.
Ctrl + 5 1.5-line spacing.
Ctrl + Alt + 1 Changes text to heading 1.
Ctrl + Alt + 2 Changes text to heading 2.
Ctrl + Alt + 3 Changes text to heading 3.
Alt + Ctrl + F2 Open new document.
Ctrl + F1 Open the Task Pane.
Ctrl + F2 Display the print preview.
Ctrl + Shift + > Increases the highlighted text size by one.
Ctrl + Shift + < Decreases the highlighted text size by one.
Ctrl + Shift + F6 Opens to another open Microsoft Word document.
Ctrl + Shift + F12 Prints the document.
F1 Open Help.
F4 Repeat the last action performed (Word 2000+)
F5 Open the find, replace, and go to window in Microsoft Word.
F7 Spellcheck and grammar check selected text or document.
F12 Save as.
Shift + F3 Change the text in Microsoft Word from uppercase to lowercase or a capital letter at the beginning of every word.
Shift + F7 Runs a Thesaurus check on the word highlighted.
Shift + F12 Save the open document. Just like Ctrl + S.
Shift + Enter Create a soft break instead of a new paragraph.
Shift + Insert Paste.
Shift + Alt + D Insert the current date.
Shift + Alt + T Insert the current time.

HTML Tricks

How make clock in html............................?

ans :
<!DOCTYPE html>
<html>
<head>
<script>
function startTime() {
var today = new Date();
var h = today.getHours();
var m = today.getMinutes();
var s = today.getSeconds();
m = checkTime(m);
s = checkTime(s);
document.getElementById('txt').innerHTML =
h + ":" + m + ":" + s;
var t = setTimeout(startTime, 500);
}
function checkTime(i) {
if (i < 10) {i = "0" + i}; // add zero in front of numbers < 10
return i;
}
</script>
</head>

<body onload="startTime()">

<div id="txt"></div>

</body>
</html>
*********************************************************************************

Interview Questions (HR Interview)

Interview Questions
(HR Interview)

Tell me about yourself.
Why should I hire you?
What are your strengths and weaknesses?
Why do you want to work at our company?
What is the difference between confidence and over confidence?
What is the difference between hard work and smart work?
How do you feel about working nights and weekends?
Can you work under pressure?
Are you willing to relocate or travel?
What are your goals?
What motivates you to do good job?
What makes you angry?
Give me an example of your creativity.
How long would you expect to work for us if hired?
Are not you overqualified for this position?
Describe your ideal company, location and job.
What are your career options right now?
Explain how would be an asset to this organization?
What are your outside interests?
Would you lie for the company?
Who has inspired you in your life and why?
What was the toughest decision you ever had to make?
Have you considered starting your own business?
How do you define success and how do you measure up to your own definition?

Tell me something about our company.
How much salary do you expect?
Where do you see yourself five years from now?
On a scale of one to ten, rate me as an interviewer.
Do you have any questions for me?

COMPUTER NETWORKING INTERVIEW QUESTIONS

What do you mean by data communication?
2. What is simplex?
3. What is half-duplex?
4. What is full duplex?
5. What is a network?
6. What is distributed processing?
7. What is point to point connection?
8. What is multipoint connection?
9. What is a topology?
10. Define LAN, MAN and WAN.
11. Define internet?
12. What is a protocol?
13. What is TCP/IP protocol model?
14. Describe the functions of five layers?
15 What is ISO-OSI model?
16. What is multiplexing?
17. How data is transmitted over a medium?
18. Compare analog and digital signals?
19. Define bandwidth?
20. What are the factors on which data rate depends?
21. Define bit rate and bit interval?
22. What is Nyquist bit rate formula?
23. Define Shannon Capacity?
24. What is sampling?
25. Define pulse amplitude modulation?
26. Define pulse code modulation?
27. What is Nyquist Theorem?
28. What are the modes of data transmission?
29. What is Asynchronous mode of data transmission?
30. What is Synchronous mode of data transmission?
31. What are the different types of multiplexing?
32. What is FDM?
33. What are the different transmission media?
34. What are the different Guided Media?
35. Describe about the different Guided Medias.
36. What do you mean by wireless communication?
37. What do you mean by switching?
38. What are the switching methods?
39. What are the duties of data link layer?
40. What are the types of errors?
41. What do you mean by redundancy?
42. Define parity check.
43. Define cyclic redundancy check (CRC).
44. What is hamming code?
45. What do you mean by flow control?
46. What do you mean by error control?
47. Define stop and wait ARQ.
48. Define Go-Back-N ARQ?
49. Define Selective Repeat ARQ?
50. What do you mean by pipelining, is there any pipelining in error control?
51. What is HDLC?
52. What do you mean by point to point protocol?
53. What do you mean by point to point protocol stack?
54. What do you mean by line control protocol?
55. What do you mean by Authentication protocol?
56. What do you mean by network control protocol?
57. What do you mean by CSMA?
58. What do you mean by Bluetooth?
59. What is IP address?
60. What do you mean by subnetting?
61. What are the advantages of fiber optics cable ?
62. What are the disadvantages of fiber optics cable?
63. What are the propagation type of radio wave ?
64. What do you mean by Geosynchronous Satellites ?
65. What are the factors for evaluating the suitability of the media ?
66. What do you mean by medium access control (MAC) sublayer.
67. What do you mean by ALOHA ?
68. What is pure ALOHA ?
69. What is slotted ALOHA?
70. What do you mean by persistent CSMA (carrier sense multiple access) ?
71. What do you mean by non persistent CSMA (carrier sense multiple access) ?
72. What do you mean by p persistent CSMA (carrier sense multiple access) ?
73. What is FDDI ?
74. What is Firewalls?
75. What is Repeaters ?
76. What is Bridges ?
77. What is Routers ?
78. What is Gateway ?
79. What do you mean by Data Terminal Equipment (DTE) ?
80. What do you mean by Data Terminating Equipment (DCE) ?
81. What do you mean by protocol stack ?
82. What do you mean by peer ?
83. What do you mean by broadcasting ?
84. What are the advantages of broadcast network.
85. What do you mean by point to point network?
86. What are the design issue of layers ?
87. What are the protocols in application layer ?
88. What are the protocols in transport layer ?
89. Define TCP ?
90. Define UDP ?
91. Define IP ?
92. What do you mean by client server model ?
93. What are the information that a computer attached to a TCP/IP internet must possesses ?
94. What is domain name system (DNS)?
95. What is TELNET ?
96. What do you mean by local login and remote login ?
97. What is Network Virtual Terminal ?
98. What do you mean by Simple Mail Transfer Protocol ?
99. What is Hypertext Transfer Protocol (HTTP) ?
100. What is URL ?
102. What is HTML ?

Full Forms

USB - Universal Serial Bus

SAP - System Application & Products

Computer – Commonly Operated Machine Particularly Used for Technology Education and Research

ERP - Enterprise Resource Planning

MIS - Management Information Systems

Virus – Vital Information Resources Under Seize

DVD - Digital Video Disk or Digital Versatile Disc

WWW - World Wide Web

SQL - Structured Query Language

IT - Information Technology

AJAX – Asynchronous JavaScript and XML

SPSS - Statistical Package for the Social Sciences

HP = Hewlett Packard

SMPS - Switched-Mode Power Supply

PDF - Portable Document Format

How to create a symbolic folder

TRickS 1:-
*Create a folder and rename it

* Activate NmLk Button

*press Alt+2

lets enjoy with your smile symbolic folder

Tricks 2:-

*At fast create a folder than rename it CON or AUX
lets do it..

How to create a folder with out any name

1.Simple create a folder and right click on this folder and click on Rename option

2. Now activate NmLk Button. [eg-press Funcation key(Fn) and press NmLk button which is by default in my laptop]

****Press Alt+255

[note-dont lose tha alt button when press 255]

Top 10 keyboard shortcuts everyone should know

Copy:
Ctrl+C or Ctrl+Insert

Paste:-
Ctrl+V or Shift+Insert

Undo:-
Ctrl+Z

Redo:-
Ctrl+Y

Find:
Ctrl+F

Save:
Ctrl+S

Close Any Apllication
Ctrl+Alt+Delete

Move Backwards:
Alt+Tab

Print preview:
Ctrl+P

RUN:
Windows key + R

Quick Shutdown Windows

Quick Shutdown Windows By Giri
Windows XP tricks:-
*Press windows key than press U U
Example-[windows key ][ U ][ U ]

Windows 8 or Windows 8.1 tricks:-
* Atfast press WINDOWS KEY + I
than click on Power button and press Shutdown Button

Example:-

Windows 8.1 tricks:-
Press windows key +x button than goto shutdown or signout and click Shut down.a

How to Installed java

1. At fast installed java software which in available in the website ,after finished download you installed it.

2. Open command prmt and type javac. if that time showing some msg like"java c is not recognized as an internal or extranal cmd, that means you set path.

SET the PATH:-

* search the Bin folder which is include program file means where you instlled java file than right click on BIN folder and click on properties button and copy tha file location .
EXAMPLE-"C:\Program Files\Java\jdk1.7.0_02\bin;"->this is file location

*Now right click on tha My computer or This pc,than click on Properties button & Advance System setting and click Environment Variable .
* click on NEW and enter the Variable name-PATH & Variable Value-"file location"[eg-"C:\Program Files\Java\jdk1.7.0_02\bin;"]

Example:-

*After finished the PATH setting you go to CMD Prmt and type javac ..

HOW TO RUN JAVA PROGRAM useing CMD Prmt:-
#open CMD prmt..

* type -cd/

*type-cd folder name

#type- javac filename.java
#type- java

[note:- dont miss" ;" this symbol when you set your path and dont rename variable name, its allways used PATH]

How To Create a PDF file

1. Open you browser than goto type www.google.com and search save as PDF.exe download or
click on download button < download>
2. Installed this exe file than open MS word and click on file option, and click on save as PDF button.

[note-other wise you have used msword2010 or 2013 this PDF option all ready include in save as type button]
Email This
BlogThis!

How to save webpage in PDF format by giri

How to save webpage in PDF format

1. You must used Google Chrome browser which is available on Website .

*Open any site in Chrome Browser & press Ctrl+P button than open a tag select the destination "Save as PDF" and save it.
now enjoy your webpage in a PDF format

Example:----

[note-ctrl+p means both key r pressing same time don't press + sign ]

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