Computer PABSON Board Exam 2078 (2022) SET B
Group "A"
1. Answer the following questions in one sentence.6*1=6
(a) What is an email?
(b) What is cyber law?
(c) What is the field size of yes/no field?
(d) Write any two objects of ms access.
(e) What is module?
(f) Write any two data types of C language.
2. Write appropriate technical term for the following:2*1=2
(a) A types of network in which each computer can act as a server as well as client.
(b) A collective online communications channels dedicated to community based input,
interaction, content sharing and collaboration.
3. Write the full form of the following :2*1=2
(a) B2B
(b) ICT
Group "B"
4. Answer the following questions : 9*2=18
(a) Write any two advantages and disadvantages of computer network.
(b) What is digital footprint? Write any two tips to maintain digital reputation.
(c) What is password policy? Write any two important criteria for creating strong password.
(d) What is e-commerce? Write any two disadvantages of e-commerce.
(e) What is IoT? Write any two advantages of it.
(f) What is DBMS? Write any two examples.
(g) What is MS Access? Write any two advantages of it.
(h)What is query? Write its type.
5. Write down the output of the given program : 2
DECLARE SUB SERI ( )
CLS
CALL SERI
END
SUB SERI
A$ = "SCIENCE"
B = LEN (A$)
FOR I = 1 TO 4
PRINT TAB(I); MID$(A$, I, B)
B =B-2
NEXT I
END SUB
6. Re-write the given program after correcting the bugs : 2
Rem to convert the given number in reverse order
DECLARE FUNCTION REV (A)
CLS
INPUT "ENTER A NUMBER"; A
CALL REV (A)
PRINT "REVERSE ="; RE
END
FUNCTION REV$ (A)
WHILE A<> 0
R= A MOD2
S = S * 10 + R
A = A - 10
WEND
REV = S
END SUB
7. Study the following program and answer the given questions : 2*1=2
CLS
OPEN "INFO.DAT" FOR INPUT AS #5
TOP:
INPUT "ENTER NAME"; N$
INPUT "ENTER ADDRESS";A$
INPUT "ENTER PHONE NUMBER";P
WRITE #5, N$, A$, P
INPUT "DO YOU WANT TO CONTINUE (Y/N)?"; AN$
IF UCASE$ (AN$) = "Y" THEN GOTO TOP
CLOSE #5
END
(a) List the variables used in above program.
(b) What is the name of data file used in above program?Group "C"
8. Convert/Calculate as per the instruction: 4*1=4
(i) (25AF)16 into Binary
(ii) (110111)2 into Decimal
(iii) (11110)2+(10011)2
(iv) (1110)2÷(110)2
9. Answer the following questions. (4*2=8)
(a) Write a program in QBASIC that ask the radius of circle. Write a program to calculate the area and circumference of a circle. Create a user defined function first (r) to calculate area and sub procedure second (r) to calculate circumference of a circle.
(b) Write a program to update the rate by increasing 10% from a sequential data file "Data.dat" that store item name, rate and quantity.
10. Write a program in C language to calculate simple interest.