BLE Exam Question and Answer

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Extra Question with Answer for BLE

1.     What is the difference between Internet and Intranet?

BASIS FOR COMPARISON	INTERNET	INTRANET
Meaning	Connects different network of computers together	It is a part of Internet which is privately owned by a particular firm
No of Users	Unlimited	Limited
Visitors Traffic	More	Less
Network Type	Public	Private

2.     Why does a computer need RAM?

A computer need RAM because RAM helps your system support software. Every piece of software requires a minimum amount of space and memory to be able to run smoothly.

3.     AGP Full Form = Accelerated Graphics Port

4.     Technical Word.

a)   The electric pathways on a motherboard. PCB (Printed Circuit Board)

b)   An error due to wrong input. Bug

c)   A set of instructions. Program

d)   A computer network that is spread with in a city. MAN

e)   A worldwide network of networks. Internet

f)    Physical components of computer. Hardware

g)   A collection of related webpage. Website

h)   Retrieving a file from remote computer. Download

5.     LISP full form List Processing

6.     COBOL Full form Common Business-Oriented Language

7.     What is the use of control panel?

The control panel is used to configure and manage almost all aspects of Windows, including keyboard and mouse functionality, users and passwords, power options, installation and removal of programs, parental control, speech recognition, etc.

8.     What is line spacing in MS-WORD?

The amount of blank space between lines of text or between paragraphs for an entire document or a portion of a document.

9.     What are margins in MS-WORD?

Margins are the blanks areas of space around the edge of your Word document. Although text and other objects are usually inserted into the printable area with in the margins, some items can actually be positioned in the margins (for example, page numbers, headers and footers).

10.                        What is formula in Excel?

A formula is an expression which calculates the value of a cell. Functions are predefined formulas and are already available in Excel.

11.                        What is database?

A database is a collection of information that is organized so that it can be easily accessed, managed and updated.

12.                        What is RDBMS?

A relational database is a type of database. It uses a structure that allows us to identify and access data in relation to another piece of data in the database. Often, data in a relational database is organized into tables.

13.                        What is query?

A query is a request for data or information from a database table or combination of tables.

14.                        What is counter?

Counter is an integer variable used to keep track of number of times a specific piece of code is executed.

15.                        Lynx is the text based web browser.

16.                        What is Peripheral devices?

A peripheral device connects to a computer system to add functionality. Examples are a mouse, keyboard, monitor, printer and scanner.

17.                        What is the difference between compiler and interpreter?

Interpreter	Compiler
Translates program one statement at a time.	Scans the entire program and translates it as a whole into machine code.
Programming language like Python, Ruby use interpreters.	Programming language like C, C++ use compilers.

18.                        Difference between client and server.

CLIENT: 1)                 Client is a small computer with basic hardware configuration. 2) It is simple and less advanced computer and a less powerful machine 3) A client is used for simple tasks. 4) Client supports a single user login at a time.

SERVER: 1) Server is advanced computer with advanced hardware configuration. 2) It is a Powerful machine 3) Server is used to store huge data and storage. 4) Server supports more users to login at a time.

19.                        cls

x=1

for i=1 to 4

print x

x=x*10+1

next i

end

Output

1

11

111

1111

20.                        Write a program to check whether a number is even or odd.

CLS

INPUT A

IF A MOD 2 =0 THEN

PRINT "EVEN";

ELSE

PRINT "ODD";

END IF

END

21.                        cls

print "Milliennium", "Computer", "Science"

end

Output

Milliennium   Computer   Science

22.                        cls

for x=11 to 20 step 2

print x

next x

end

Output

11

13

15

17

19

23.                        To input a number and decide either the number is divisible by 4 or not.

CLS

INPUT "ENTER ANY NUMBER"; N

IF N MOD 4 = 0 THEN

PRINT N; "IS DIVISIBLE BY 4"

ELSE

PRINT N; "IS NOT DIVISIBLE BY 5"

END IF

END

24.                        Difference between Internal and External commands

Base	Internal Command	External Command
Execution requirement	Internal commands don’t require separate process.	External commands require separate process.
Path requirement	Internal Command don’t require Path.	External Command require Path.
Execution Speed	Very high	Slower than Internal Command.
Example	DIR,  DEL, MD, CD, REN, DATE, TIME, PATH etc.	EDIT, BACKUP, MORE, XCOPY, DISKCOPY etc.

25.                        Write short note on Wildcard Characters.

A wildcard is a symbol used to replace or represent one or more characters. Wildcards are typically either an asterisk (*), which represents one or more characters or question mark (?), which represents a single character.

26.                        What is the name of first electromechanical computer?

Mark I

27.                        Who is known as first computer programmer? Why?

Lady Augusta Ada Lovelace was the first computer programmer because she developed programs for performing mathematical calculation on the Analytical Engine. One programming language 'Ada' was named after her.

28.                        For what purpose algorithm can be used?

For data processing, calculation and other related computer and mathematical operations.

29.                        Computer cannot run without OS, why?

Without an operating system your computer would stop working because Windows is the operating system, the software that makes it tick and provides a platform for programs.

30.                        Difference between CUI and GUI operating system?

PROPERTY	GUI	CUI
Interaction	Using graphics(images, icons)	Using commands(only text)
Navigation	Easier	Difficult
Peripherals used	Keyboard and mouse(or any pointing device)	Keyboard only
Speed	LOW	HIGH

31.                        What do you mean by user interface?

A user interface, also called a "UI" or simply an "interface," is the means in which a person controls a software application or hardware device.

32.                        Short note on virtual reality.

Virtual reality is an artificial environment that is created with software and presented to the user in such a way that the user suspends belief and accepts it as a real environment. On a computer, virtual reality is primarily experienced through two of the five senses: sight and sound.

33.                        How is human health beneficial by the use of ICT?

34.                        Difference between LAN and MAN.

BASIS OF COMPARISON	LAN	MAN
Expands to	Local Area Network	Metropolitan Area Network
Meaning	A network that connects a group of computers in a small geographical area.	It covers relatively large region such as cities, towns.
Design and maintenance	Easy	Difficult
Speed	High	Moderate
Used for	College, School, Hospital.	Small towns, City.

35.                        Advantages and Disadvantages of Multimedia.

Advantages

1.     Multimedia mostly requires only a one-time purchase of devices and software, which can be used unlimited times thereafter.

2.     It offers ideal learning assessment tools which are also entertaining for the students.

3.     It provides approaches which make learning more realistic.

Disadvanges

1.     Production of multimedia requires an electronic device, which may be relatively expensive.

2.     Multimedia requires electricity to run, which adds to the cost of its use.

3.     Creating multimedia requires more time.

36.                         WAP to find out greater number among two numbers.

cls

input "Enter the First number";a

input "Enter the Second number";b

if a>b then

print"First number is Greatest";a

elseif b>a then

print "Second number is Greatest";b

else

Print"Both are Equal"

endif

end

37.                        Difference between Low level language and High level language.

High Level Language	Low Level Language
A High Level Language is slower than a Low Level Language.	A Low Level Language is faster than a High Level Language.
A High Level Language is machine independent.	A Low Level Language is machine dependent.
A High Level Language can run on multiple platforms, so it is portable.	A Low Level Language is not portable.
A program written using a High Level Language is easy to debug and maintain.	A program written using a Low Level Language is hard to debug and maintain.

38.                        What is protocol?

A protocol is a set of rules and guidelines for communicating data.

39.                         ABBS full form Computer sector = Apple Bulletin Board System

In banking sector = Any Branch Banking Service

40.                        What is keyword? Give some examples of QBASIC keywords.

Keywords are statements, commands, functions (built in functions) and names of operators. The keywords are also called Reserved Words. Some

reserved words are CLS, REM, INPUT, LET, PRINT, FOR, DO, SELECT, MID$, ASC, SQR, LEN, LEFT$, TIME$ and INT.

41.                        ASCC full form Automatic Sequence Controlled Calculator

42.                        Write a program to enter the Indian currency and covert it to Nepalese Currency.

CLS

Input “Enter the Indian currency” ;I

Let N = I * 1.6

Print “the Nepalese currency=”;N

End

43.                        CBR full form = Constant Bitrate

44.                        What is text formatting in MS-Word?

Formatting text in Microsoft Word involves tasks like bolding the text, italicizing it, and changing the font and size. The commands to perform all of these formatting tasks are found on the Home tab in the Font group.

45.               What is Mail-Merge in MS-WORD?

Mail merge is a feature within most data processing applications that enables users to send a similar letter or document to multiple recipients

46.                        What is booting?

When we start our Computer then there is an operation which is performed automatically by the Computer which is also called as Booting.

There are two types of booting.

1.    Cold boot

2.    Warm Boot

47.                         Define

a)     Software Piracy

Copying that software to multiple computers or sharing it with your friend without multiple licenses is considered software piracy, which is illegal.

b)    Digital signature

Digital signature technology requires all the parties to trust that the individual creating the signature has been able to keep their own private key secret.

List of DOS commands with examples.

help	List commands (only in DOS versions 5 or later).
help command	See help for the DOS command.
command /?	List switches for the DOS command.
path=c:\windows ; c:\dos	Specify in which directories DOS searches for commands or programs.
prompt $p$g	Make the DOS prompt display the current directory.
dir	List files in the current directory in one column.
dir /w	List files in five columns.
dir /p	List files one page at a time.
dir *.ext	List all files with an .ext extension.
dir z???.ext	List files with .ext extensions that have four letters and start with z (where z is a character of your choice).
dir file.ext /s	Search for the file.ext in the current directory and all subdirectories under the current directory; most useful if the current directory is the root (i.e., C:\).
type file.ext	View the contents of the text file file.ext.
edit file.ext	Use the DOS editor to edit the file file.ext.
a:	Change to the a: drive.
md c:\diry	Make a new subdirectory named diry in the c:\ directory.
cd c:\diry	Change to subdirectory diry.
rd c:\diry	Remove the existing subdirectory named diry.
del file.ext	Delete a file named file.ext.
ren file1 file2	Rename file file1 to file2.
copy file1 file2	Copy file file1 to file2.
verify on	Turn on verification of copy commands.
verify off	Turn off verification of copy commands.
xcopy diry1 diry2 /s	Copy all files and subdirectories in directory diry1 to diry2.
xcopy diry1 diry2 /p	Ask for confirmation of each file before copying it from diry1 to diry2.
diskcopy a: b:	Duplicate a disk using two floppy drives.
diskcopy a: a:	Duplicate a disk using the same floppy drive.
format a:	Format a disk in drive a: .
format a: /s	Format a bootable disk (include system files).
backup c:\diry\*.ext a:	Back up all files with the extension .ext in c:\diry\ to drive a: .
backup c:\ a: /s	Back up the entire c: drive to drive a:.
restore a:\ c:\diry\*.ext	Restore backed-up files with the extension .ext in drive a: to the c:\diry\directory.
restore a: c:\ /s	Restore backed-up files and subdirectories from drive a: to c:\.
ver	Check the version of DOS.
time	Check or correct the system time.
date	Check or correct the system date.
cls	Clear the screen.
scandisk	Scan and check drive c: for errors. ScanDisk replaces chkdsk (see below) on DOS version 6.0 and above (including Windows 95).
chkdsk	Check disk and memory usage of the current disk.
chkdsk /f	Fix errors reported by chkdsk.
chkdsk file.ext	Check a particular file.
chkdsk a:	Check a particular drive (in this case, a floppy in the a: drive).
mem	Check memory usage.