Exam time XI
Set – I
Group
' B '
Short
answer questions
a.
What
is De Morgan’s Law explain with example
OR
Explain
commutative and associative law with example.
b.
What
is GIGO? Explain any four characteristics of computer
OR
What
is number system? Write short notes on binary and octal number system.
c.
Subtract
(10110)2 from (1111)2 using 1’s and 2’s complement.
d.
Calculate
as instructed :
i.
(565)8=(?)16
ii.
(1101)2=(?)10
iii.
(1111+111)2 – (1111) 2
iv.
(23)10=(?)16
v.
(BAF)16=(?)8
Group
' C '
Long
answer questions
a.
Explain
five applications of computer in different fields.
b. What is truth table? Construct truth tables of AND, OR, NOT gates.
Set – II
Group 'B'
a. State and prove distributive law with
example.
OR
State Duality principle with example.
b. What is computer? Explain its
advantages and disadvantages.
c. Perform subtraction (10101)2 – (1110)2
using 2’s complement.
d. Convert the following as instructed:
i. (101011)2 = (?)16
ii. (56)10 = (?)2
iii. (2F)16 = (?)10
iv. (237)8 = (?)2
v. (11101)2 = (?)8
e. Explain storage system of computer.
Group 'C'
a. What is Boolean algebra? Explain its
importance in digital logic.
b. Discuss
different generation of computer with technologies used in the generation.
Set – III
Group
'B'
a. State and explain absorption law with
example.
OR
Define
duality principal with example.
b. What is computer? State different units
of storage in computer c. Subtract
(11001)2 – (1111)2 using 1’s complement method.
d. Convert as instructed:
i. (11010)2 = (?)10
ii. (47)10 = (?)16
iii. (245)8 = (?)10
iv. (1F)16 = (?)2
v. (100110)2 = (?)8
e. Explain input, process, and output
cycle of computer with diagram.
Group
'C'
a.
a. What is universal gate? Why NAND and
NOR gate called universal gate.
a.
b. Explain working principles of computer
with block diagram.