Monday, October 23, 2017

SLC Examination 2073




1 Q/Ans

a)
-> The advantage of bus topology:-

  • It is easy to set up computers and other devices 
  • It requires power cable media, so it is cheaper than other topology.


b)
-> The security given to the computer for the protection of hardware, software and data from being lost or damage due to accidental or intentional harm is known as computer security.

c)
-> The preventive measures from computer virus are:-

  • Install antivirus software 
  • Avoid using pirated software.
d)
-> Multimedia is the integration of multiple form of media which present information in more interesting and understandable way.

e)
->FTP is a protocol  used in internet to send and receive file from one computer to another. It is also used for uploading and downloading files in internet.


2a) Perform the conversion as per the direction.

i) (BAD)16 into binary
Hexadecimal value= BAD
Binary equivalent=1011 1010 1101
(BAD)16 = (101110101101)2


b) Perform the binary calculation.

   i) 11*10+11
-> 11
   *10
     00
   11X
   110
   +11
  1001


    ii) 110/10                                                           
        ->                 
              10)110  (11
                  -10 ↓
                   10
                  -10                                                                 
                     X


3). Match the following
a)Malicious software       →Virus
b)Primary storage device →RAM
c)Power protection device→UPS
d)Intellectual property law→Copyright



4 State true or false
a) Computer network reduces the cost.(true)
b) WWW is an organization which controls internet.(false)
c) Microwave transmission is an example of bounded media.(false)
d) The part of the computer which can be seen and touched is called hardware.(true)


5) Give appropriate technical term

a) A type of network in which every computer works as both client and server.
=> Peer-to-peer network

b) Protocol used to receive e-mail from the mail server.
=> POP

c) The moving graphic image
=> Animation

d) The law that controls cyber crime.
=> Cyber Law

6) Write the full form
LAN= Local Area Network
ROM= Read Only Memory
SMPT= Simple Mail Transfer Protocol
NOS= Network Operating System

7) Answer the following question

a)
-> Data are the raw pieces of content which may or may not make any sense.
-> Database is a collection of related  information on a subject which is used for various useful propose.

b)
-> Primary Key is a field that uniquely identifies the record. It is important to reduce data redurdancy and blank value.

c)
-> the data types used in MS-Access are:-

  • text
  • number
  • MEMO
  • currency
8) Select the correct answer.

a) The columns in a database table are called
-> field

b) Which is the suitable data types to store video.
-> Report

d) Which is not a type of query.
-> Search


9) Match the following.

Query→ extracts selected records for view
Form →Allows view, edit, input, data
table→Stores data
Report →Printed format


11)

-> DECLARE SUB SUM(N)
INPUT" ANY NUMBER"; N
CALL SUM(N)
END

SUB SUM(N)
S=0
WHILE N<> O
R= MOD 10
S= S+R
N= N\10
WEND
PRINT " SUM OF DIGITS"; S
END SUB

12) write the output of the following program

DECLARE FUNCTION ARE(L,B)
CLS
LET L=50
LET B= 10
LET ANS= AREA(L,B)
PRINT" THE AREA="; ANS
END

FUNCTION AREA(L,B)
AR= L*B
AREA= AR
END FUNCTION

13) Study the following program ad answer the given question.
-> DECLARE FUNCTION DIFF(A,B)
CLS
INPUT" ENTER FIRST NUMBER"; A
INPUT" ENTER SECOND NUMBER";B
PRINT" THE DIFFERENCE"; DIFF(A,B)
END
FUNCTION DIFF(A,B)
DIFFERENCE= A-B
DIFF= DIFFERNCE
END FUNCTION


14a)
-> DECLARE SUB AREA(H,L,B)
CLS
INPUT"ENTER HEIGHT"; H
INPUT" ENTER BREADTH"; B
INPUT" ENTER LENGTH"; L
CALL AREA (H,L,B)
END

SUB AREA(H,L,B)
A= 2*H* (L+B)
PRINT" THE AREA OF FOUR WALLS=";A
END SUB


b)


-> DECLARE FUNCTION COUNT(A$)
CLS
INPUT" ENTER STRING"; A$
PRINT " TOTAL VOWELS LETTER="; COUNT(A$)
END

FUNCTION COUNT(A$)
FOR I = 1 TO LEN(A$)
B$= UCASE$(MID$(A$,I,1))
IF B$<>"A"OR B$<>"E"OR B$<>"I"OR B$<>"O"OR B$<>"U" THEN C=C+1
NEXT I
COUNT=C
\END FUNCTION

C)
-> OPEN " RECORD. DAT" FOR OUTPUT AS#1
CLS
TOP
INPUT" ENTER NAME"; N$
INPUT" ENTER ADDRESS"; A$
INPUT" ENTER POST"; P$
INPUT" ENTER  GENDER"; G$
INPUT" ENTER SALARY"; S
WRITE #1, A$, B$, P$, G$,S
INPUT" DO YOU WANT TO CONTINUE?(Y?N)"; CH$
IF UCASE(CH$) ="Y" THEN GOTO TOP
CLOSE#1
END

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SLC Examination 2073

1 Q/Ans a) -> The advantage of bus topology:- It is easy to set up computers and other devices  It requires power cable media, ...