1) A logic gate is an electronic circuit which
(a) makes logic decisions
(b) allows electron flow only in one direction
(c) works on binary algebra
(d) alternates between 0&1 values
Answer : a
2) In positive logic, logic gate 1 corresponds to
(a) positive voltage
(b) higher voltage level
(c) zero voltage level
(d) lower voltage level
Answer : b
3) A NOR gate is ON only when all it’s inputs are
(a) ON
(b) positive
(c) high
(d) OFF
Answer: d
4) Karnaugh map (K-map) technique provides a systematic method for simplifying -----------
a) multiplexers
b) lgic gates
c) Boolean expressions
d) none of these .
Answer : c
5) A Register is a group of ---------
a) OR gates
b)OR & AND gate
c)Flip-flops
d)None of these
Answer: c
6) Each Flip-flop stores ---------- bits
a) 1 bit
B) 8 bit
c) 16 bit
d)2 bit
Answer: a
7) In Boolean algebra , A+ A= -----------
a)A
b)1
c)0
d)None of these
Answer: b
8) In Boolean algebra , A . A=-----------
a) A2
b) A
c)2A
d)1
Answer: b
9) In Boolean algebra A+ AB =-----------
a) B
b) A
c)AB
d)A+B
Answer: b
10)The First Microprocessor was__________
a) Intel 4004
b) 8080
c) 8085
d) 4008
Answer: a
11)The address bus flow in __________
a) bidirection
b) unidirection
c) Mulidirection
d) Circular
Answer: b
12)Status register is also called as ___________
a) Accumulator
b) Stack
c) Counter
d) flags
Answer: d
13)The 8085 Microprocessor uses__________ V power supply
a) +5V
b) -5V
c) +12v
d) -12v
Answer: a
14)__________is used to create Large program on internet
a) C++
b) HTML
c) C language
d) Java script
Answer: d
15)Laptop PCs are also known as __________Computers
a) Mainframe
b) Super
c) Notebook
d) personal
Answer: c
16)Windows 98 is __________
a) Graphics System
b) Operating System
c) Drawing system
d) Processing
Answer: b
17)A common topology to any network is __________topology
a) Bus
b) Star
c) Tree
d) Ring
Answer: b
18)A flip flop has __________stable status
a) Two
b) Three
c) four
d) five
Answer: b
19)The Binary system has base__________
a) 8
b) 2
c) 10
d) 16
Answer: b
20)The Hexadecimal Number system has base__________
a) 2
b) 10
c) 16
d) 8
Answer: c
(a) makes logic decisions
(b) allows electron flow only in one direction
(c) works on binary algebra
(d) alternates between 0&1 values
Answer : a
2) In positive logic, logic gate 1 corresponds to
(a) positive voltage
(b) higher voltage level
(c) zero voltage level
(d) lower voltage level
Answer : b
3) A NOR gate is ON only when all it’s inputs are
(a) ON
(b) positive
(c) high
(d) OFF
Answer: d
4) Karnaugh map (K-map) technique provides a systematic method for simplifying -----------
a) multiplexers
b) lgic gates
c) Boolean expressions
d) none of these .
Answer : c
5) A Register is a group of ---------
a) OR gates
b)OR & AND gate
c)Flip-flops
d)None of these
Answer: c
6) Each Flip-flop stores ---------- bits
a) 1 bit
B) 8 bit
c) 16 bit
d)2 bit
Answer: a
7) In Boolean algebra , A+ A= -----------
a)A
b)1
c)0
d)None of these
Answer: b
8) In Boolean algebra , A . A=-----------
a) A2
b) A
c)2A
d)1
Answer: b
9) In Boolean algebra A+ AB =-----------
a) B
b) A
c)AB
d)A+B
Answer: b
10)The First Microprocessor was__________
a) Intel 4004
b) 8080
c) 8085
d) 4008
Answer: a
11)The address bus flow in __________
a) bidirection
b) unidirection
c) Mulidirection
d) Circular
Answer: b
12)Status register is also called as ___________
a) Accumulator
b) Stack
c) Counter
d) flags
Answer: d
13)The 8085 Microprocessor uses__________ V power supply
a) +5V
b) -5V
c) +12v
d) -12v
Answer: a
14)__________is used to create Large program on internet
a) C++
b) HTML
c) C language
d) Java script
Answer: d
15)Laptop PCs are also known as __________Computers
a) Mainframe
b) Super
c) Notebook
d) personal
Answer: c
16)Windows 98 is __________
a) Graphics System
b) Operating System
c) Drawing system
d) Processing
Answer: b
17)A common topology to any network is __________topology
a) Bus
b) Star
c) Tree
d) Ring
Answer: b
18)A flip flop has __________stable status
a) Two
b) Three
c) four
d) five
Answer: b
19)The Binary system has base__________
a) 8
b) 2
c) 10
d) 16
Answer: b
20)The Hexadecimal Number system has base__________
a) 2
b) 10
c) 16
d) 8
Answer: c
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