Identify the concept described as weighted decimal code.
A
Minterm
B
Parity generator
C
8421 BCD
D
Propagation delay
Question 9Single Answer
In computer science, adjacent codes differ by one bit refers to:
A
Gray code
B
Propagation delay
C
De Morgan first law
D
PLA
Question 10Single Answer
Select the appropriate name for self-complementing decimal code.
A
Excess-3 code
B
Decoder
C
NOR gate
D
De Morgan first law
Question 11Single Answer
The technical term for invert bits and add one is:
A
Gray code
B
Shift register
C
Two's complement
D
Synchronous counter
Question 12Single Answer
A system using invert all bits is illustrating:
A
One's complement
B
DRAM
C
NOT gate
D
AND gate
Question 13Single Answer
Which entry best matches the description: leading bit denotes sign?
A
Propagation delay
B
Signed magnitude
C
NOR gate
D
Parity generator
Question 14Single Answer
Name the mechanism associated with same-sign operands produce opposite-sign result.
A
SRAM
B
CMOS
C
Minterm
D
Overflow in signed addition
Question 15Single Answer
Identify the concept described as output one only if all inputs are one.
A
Octal radix
B
Demultiplexer
C
Maxterm
D
AND gate
Question 16Single Answer
In computer science, output one if at least one input is one refers to:
A
Demultiplexer
B
PAL
C
OR gate
D
Byte size
Question 17Single Answer
Select the appropriate name for inverts its single input.
A
PAL
B
Half subtractor
C
EBCDIC code width
D
NOT gate
Question 18Single Answer
The technical term for output one for unequal inputs is:
A
NOR gate
B
ROM
C
XOR gate
D
ECL
Question 19Single Answer
A system using output one for equal inputs is illustrating:
A
JK flip-flop
B
DRAM
C
Minterm
D
XNOR gate
Question 20Single Answer
Which entry best matches the description: universal complemented-AND gate?
A
De Morgan first law
B
Hexadecimal radix
C
Encoder
D
NAND gate
Question 21Single Answer
Name the mechanism associated with universal complemented-OR gate.
A
SRAM
B
NOR gate
C
ROM
D
Excess-3 code
Question 22Single Answer
Identify the concept described as complement of a sum equals product of complements.
A
NAND gate
B
Half adder
C
De Morgan first law
D
Overflow in signed addition
Question 23Single Answer
In computer science, complement of a product equals sum of complements refers to:
A
Byte size
B
Octal radix
C
Overflow in signed addition
D
De Morgan second law
Question 24Single Answer
Select the appropriate name for OR of product terms.
A
TTL
B
SOP form
C
XOR gate
D
NAND gate
Question 25Single Answer
The technical term for AND of sum terms is:
A
Overflow in signed addition
B
CMOS
C
TTL
D
POS form
Question 26Single Answer
A system using product term containing each variable exactly once is illustrating:
A
Half adder
B
Two's complement
C
Minterm
D
Signed magnitude
Question 27Single Answer
Which entry best matches the description: sum term containing each variable exactly once?
A
D flip-flop
B
Maxterm
C
R-2R ladder
D
One's complement
Question 28Single Answer
Name the mechanism associated with graphical Boolean minimization technique.
A
De Morgan second law
B
Karnaugh map
C
Byte size
D
Octal radix
Question 29Single Answer
Identify the concept described as power of two.
A
K-map group size
B
Full adder
C
8421 BCD
D
Karnaugh map
Question 30Single Answer
In computer science, input combination with unspecified output refers to:
A
Decoder
B
Don't-care condition
C
Maxterm
D
SR flip-flop
Question 31Single Answer
Select the appropriate name for adds two one-bit numbers.
A
ECL
B
Half adder
C
XOR gate
D
Hold time
Question 32Single Answer
The technical term for adds three one-bit inputs is:
A
SOP form
B
Don't-care condition
C
One's complement
D
Full adder
Question 33Single Answer
A system using subtracts two one-bit inputs is illustrating:
A
Hold time
B
D flip-flop
C
Half subtractor
D
SR flip-flop
Question 34Single Answer
Which entry best matches the description: selects one of several data inputs?
A
Multiplexer
B
Demultiplexer
C
Octal radix
D
SR flip-flop
Question 35Single Answer
Name the mechanism associated with routes one input to selected output.
A
Demultiplexer
B
De Morgan first law
C
Gray code
D
OR gate
Question 36Single Answer
Identify the concept described as converts coded inputs to selected outputs.
A
Decoder
B
Setup time
C
T flip-flop
D
JK flip-flop
Question 37Single Answer
In computer science, converts active input line to binary code refers to:
A
Encoder
B
Shift register
C
8421 BCD
D
Comparator
Question 38Single Answer
Select the appropriate name for compares binary magnitudes.
A
Comparator
B
Hexadecimal radix
C
8421 BCD
D
Ripple counter
Question 39Single Answer
The technical term for produces a parity check bit is:
A
Parity generator
B
Don't-care condition
C
NAND gate
D
Hold time
Question 40Single Answer
A system using set-reset storage element is illustrating:
A
Shift register
B
NOT gate
C
SR flip-flop
D
Propagation delay
Question 41Single Answer
Which entry best matches the description: toggle action when J and K are one?
A
Synchronous counter
B
SR flip-flop
C
NAND gate
D
JK flip-flop
Question 42Single Answer
Name the mechanism associated with captures data input on active clock event.
A
SOP form
B
Half adder
C
Half subtractor
D
D flip-flop
Question 43Single Answer
Identify the concept described as toggles when T is one.
A
ROM
B
Successive-approximation ADC
C
T flip-flop
D
D flip-flop
Question 44Single Answer
In computer science, moves stored bits between positions refers to:
A
Shift register
B
Hexadecimal radix
C
Signed magnitude
D
Ripple counter
Question 45Single Answer
Select the appropriate name for clock propagates between flip-flops.
A
Ripple counter
B
Multiplexer
C
NOR gate
D
Propagation delay
Question 46Single Answer
The technical term for flip-flops share a common clock is:
A
De Morgan first law
B
Synchronous counter
C
SR flip-flop
D
Don't-care condition
Question 47Single Answer
A system using nonvolatile read-mostly memory is illustrating:
A
Signed magnitude
B
ROM
C
Setup time
D
CMOS
Question 48Single Answer
Which entry best matches the description: stores bits using bistable cells?
A
SRAM
B
Signed magnitude
C
Synchronous counter
D
Octal radix
Question 49Single Answer
Name the mechanism associated with requires periodic refreshing.
A
Don't-care condition
B
De Morgan second law
C
DRAM
D
Successive-approximation ADC
Question 50Single Answer
Identify the concept described as electrically erasable nonvolatile memory.
A
OR gate
B
T flip-flop
C
EEPROM
D
Hold time
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Computer Science
Question 51Single Answer
In computer science, uses multiple comparators in parallel refers to:
A
Flash ADC
B
EBCDIC code width
C
Hold time
D
Overflow in signed addition
Question 52Single Answer
Select the appropriate name for uses binary-search conversion steps.
A
Octal radix
B
Shift register
C
Successive-approximation ADC
D
Minterm
Question 53Single Answer
The technical term for DAC based on two resistor values is:
A
R-2R ladder
B
Decoder
C
Two's complement
D
Byte size
Question 54Single Answer
A system using transistor-transistor logic is illustrating:
A
Half subtractor
B
PAL
C
TTL
D
SR flip-flop
Question 55Single Answer
Which entry best matches the description: emitter-coupled logic?
A
Binary radix
B
T flip-flop
C
De Morgan first law
D
ECL
Question 56Single Answer
Name the mechanism associated with complementary MOS transistors.
A
CMOS
B
Hold time
C
8421 BCD
D
Maxterm
Question 57Single Answer
Identify the concept described as programmable AND and OR arrays.
A
T flip-flop
B
NOT gate
C
SOP form
D
PLA
Question 58Single Answer
In computer science, programmable AND array and fixed OR array refers to:
A
Octal radix
B
Shift register
C
Ripple counter
D
PAL
Question 59Single Answer
Select the appropriate name for input stability interval before clock edge.
A
CMOS
B
Two's complement
C
SRAM
D
Setup time
Question 60Single Answer
The technical term for input stability interval after clock edge is:
A
Maxterm
B
Byte size
C
Half subtractor
D
Hold time
Question 61Single Answer
A system using time between input change and output response is illustrating:
A
Parity generator
B
T flip-flop
C
Propagation delay
D
Half adder
Question 62Single Answer
Which phrase correctly describes Binary radix?
A
converts coded inputs to selected outputs
B
toggle action when J and K are one
C
2
D
power of two
Question 63Single Answer
Pick the accurate description of Octal radix.
A
compares binary magnitudes
B
converts coded inputs to selected outputs
C
8
D
adds two one-bit numbers
Question 64Single Answer
The key role of Hexadecimal radix is:
A
16
B
8 bits
C
clock propagates between flip-flops
D
output one only if all inputs are one
Question 65Single Answer
Choose the defining property of Nibble size.
A
self-complementing decimal code
B
converts active input line to binary code
C
transistor-transistor logic
D
4 bits
Question 66Single Answer
An appropriate description of Byte size is:
A
DAC based on two resistor values
B
emitter-coupled logic
C
8 bits
D
adds two one-bit numbers
Question 67Single Answer
Identify the function served by ASCII original code width.
A
7 bits
B
universal complemented-OR gate
C
clock propagates between flip-flops
D
uses binary-search conversion steps
Question 68Single Answer
Which phrase correctly describes EBCDIC code width?
A
8 bits
B
input combination with unspecified output
C
universal complemented-AND gate
D
8
Question 69Single Answer
Pick the accurate description of 8421 BCD.
A
output one for equal inputs
B
weighted decimal code
C
captures data input on active clock event
D
adds two one-bit numbers
Question 70Single Answer
The key role of Gray code is:
A
set-reset storage element
B
adjacent codes differ by one bit
C
input stability interval after clock edge
D
universal complemented-OR gate
Question 71Single Answer
Select the best explanation of Excess-3 code.
A
16
B
nonvolatile read-mostly memory
C
self-complementing decimal code
D
output one if at least one input is one
Question 72Single Answer
An appropriate description of Two's complement is:
A
output one for equal inputs
B
clock propagates between flip-flops
C
invert bits and add one
D
8 bits
Question 73Single Answer
Identify the function served by One's complement.
A
inverts its single input
B
DAC based on two resistor values
C
AND of sum terms
D
invert all bits
Question 74Single Answer
Which phrase correctly describes Signed magnitude?
A
uses binary-search conversion steps
B
produces a parity check bit
C
toggles when T is one
D
leading bit denotes sign
Question 75Single Answer
Pick the accurate description of Overflow in signed addition.
A
adds two one-bit numbers
B
uses multiple comparators in parallel
C
same-sign operands produce opposite-sign result
D
produces a parity check bit
Question 76Single Answer
Choose the defining property of AND gate.
A
8 bits
B
output one only if all inputs are one
C
programmable AND and OR arrays
D
same-sign operands produce opposite-sign result
Question 77Single Answer
Select the best explanation of OR gate.
A
requires periodic refreshing
B
nonvolatile read-mostly memory
C
2
D
output one if at least one input is one
Question 78Single Answer
An appropriate description of NOT gate is:
A
universal complemented-AND gate
B
weighted decimal code
C
sum term containing each variable exactly once
D
inverts its single input
Question 79Single Answer
Identify the function served by XOR gate.
A
output one for unequal inputs
B
emitter-coupled logic
C
invert bits and add one
D
DAC based on two resistor values
Question 80Single Answer
Which phrase correctly describes XNOR gate?
A
produces a parity check bit
B
output one for equal inputs
C
16
D
emitter-coupled logic
Question 81Single Answer
The key role of NAND gate is:
A
produces a parity check bit
B
universal complemented-AND gate
C
sum term containing each variable exactly once
D
programmable AND array and fixed OR array
Question 82Single Answer
Choose the defining property of NOR gate.
A
electrically erasable nonvolatile memory
B
sum term containing each variable exactly once
C
universal complemented-OR gate
D
output one for unequal inputs
Question 83Single Answer
Select the best explanation of De Morgan first law.
A
complement of a sum equals product of complements
B
adds two one-bit numbers
C
moves stored bits between positions
D
programmable AND and OR arrays
Question 84Single Answer
An appropriate description of De Morgan second law is:
A
adds three one-bit inputs
B
time between input change and output response
C
complement of a product equals sum of complements
D
2
Question 85Single Answer
Identify the function served by SOP form.
A
sum term containing each variable exactly once
B
OR of product terms
C
output one for unequal inputs
D
8
Question 86Single Answer
Pick the accurate description of POS form.
A
AND of sum terms
B
flip-flops share a common clock
C
self-complementing decimal code
D
input combination with unspecified output
Question 87Single Answer
The key role of Minterm is:
A
output one if at least one input is one
B
product term containing each variable exactly once
C
DAC based on two resistor values
D
produces a parity check bit
Question 88Single Answer
Choose the defining property of Maxterm.
A
invert all bits
B
sum term containing each variable exactly once
C
stores bits using bistable cells
D
toggles when T is one
Question 89Single Answer
Select the best explanation of Karnaugh map.
A
graphical Boolean minimization technique
B
time between input change and output response
C
universal complemented-AND gate
D
leading bit denotes sign
Question 90Single Answer
An appropriate description of K-map group size is:
A
8 bits
B
leading bit denotes sign
C
complementary MOS transistors
D
power of two
Question 91Single Answer
Which phrase correctly describes Don't-care condition?
A
2
B
input combination with unspecified output
C
selects one of several data inputs
D
toggle action when J and K are one
Question 92Single Answer
Pick the accurate description of Half adder.
A
16
B
same-sign operands produce opposite-sign result
C
complementary MOS transistors
D
adds two one-bit numbers
Question 93Single Answer
The key role of Full adder is:
A
adds three one-bit inputs
B
same-sign operands produce opposite-sign result
C
programmable AND and OR arrays
D
universal complemented-AND gate
Question 94Single Answer
Choose the defining property of Half subtractor.
A
produces a parity check bit
B
7 bits
C
subtracts two one-bit inputs
D
AND of sum terms
Question 95Single Answer
Select the best explanation of Multiplexer.
A
selects one of several data inputs
B
stores bits using bistable cells
C
invert bits and add one
D
self-complementing decimal code
Question 96Single Answer
Identify the function served by Demultiplexer.
A
graphical Boolean minimization technique
B
routes one input to selected output
C
inverts its single input
D
weighted decimal code
Question 97Single Answer
Which phrase correctly describes Decoder?
A
complement of a product equals sum of complements
B
converts coded inputs to selected outputs
C
toggle action when J and K are one
D
self-complementing decimal code
Question 98Single Answer
Pick the accurate description of Encoder.
A
converts active input line to binary code
B
emitter-coupled logic
C
electrically erasable nonvolatile memory
D
input stability interval before clock edge
Question 99Single Answer
The key role of Comparator is:
A
compares binary magnitudes
B
transistor-transistor logic
C
8 bits
D
same-sign operands produce opposite-sign result
Question 100Single Answer
Choose the defining property of Parity generator.
A
produces a parity check bit
B
output one only if all inputs are one
C
16
D
output one for equal inputs
Art of Teaching
Question 101Single Answer
What is the most appropriate meaning of teaching?
A
Transfer of information from books
B
Controlling the behaviour of learners
C
Testing learners at regular intervals
D
A planned process of facilitating learning
Question 102Single Answer
Which characteristic best describes effective teaching?
A
It is entirely teacher-centred
B
It facilitates purposeful learning
C
It discourages interaction
D
It depends only on textbooks
Question 103Single Answer
Learning is best understood as which of the following?
A
A relatively lasting change resulting from experience
B
A temporary change caused by fatigue
C
A change caused only by maturation
D
Memorisation without understanding
Question 104Single Answer
Which element is essential in the teaching-learning process?
A
Dependence on examinations alone
B
Complete silence in the classroom
C
Interaction between teacher and learner
D
Uniform ability among learners
Question 105Single Answer
Teaching is considered a purposeful activity because it is primarily directed towards what?
A
Achieving predetermined learning objectives
B
Completing the textbook quickly
C
Maintaining strict discipline
D
Increasing written homework
Question 106Single Answer
Which is an important characteristic of learning?
A
Learning is always temporary
B
Learning can bring changes in behaviour or understanding
C
Learning occurs only in schools
D
Learning is independent of experience
Question 107Single Answer
In learner-centred teaching, the teacher primarily performs the role of what?
A
Facilitator
B
Dictator
C
Examiner
D
Controller
Question 108Single Answer
Which process provides information about learners' progress during instruction?
A
Admission
B
Assessment
C
Administration
D
Classification
Question 109Single Answer
Teaching becomes more effective when new knowledge is connected with what?
A
Punishment
B
Examination pressure
C
Previous knowledge
D
Teacher authority
Question 110Single Answer
Which statement about teaching and learning is most appropriate?
A
Teaching and learning are unrelated activities
B
Teaching guarantees identical learning among students
Which characteristic makes teaching a social process?
A
It always follows one method
B
It requires written examinations
C
It takes place only in institutions
D
It involves interaction among individuals
Question 112Single Answer
Which factor is most closely associated with meaningful learning?
A
Linking concepts with existing cognitive structures
B
Mechanical repetition alone
C
Memorising definitions without context
D
Avoiding learner participation
Question 113Single Answer
The teaching-learning process is considered dynamic because what happens?
A
Students remain passive throughout instruction
B
The syllabus never changes
C
Only teachers make decisions
D
Its participants and situations continuously interact and change
Question 114Single Answer
Which activity reflects active learning?
A
Copying notes continuously
B
Listening without responding
C
Participating in problem-solving activities
D
Memorising every sentence of a chapter
Question 115Single Answer
Feedback in teaching is mainly useful for what purpose?
A
Identifying progress and improving learning
B
Increasing competition only
C
Punishing weak students
D
Reducing classroom interaction
Question 116Single Answer
Which of the following is generally regarded as evidence of learning?
A
Temporary change due to illness
B
Relatively permanent change in knowledge, skill or behaviour
C
Change solely due to physical growth
D
Short-term fatigue
Question 117Single Answer
Effective teaching should primarily take into consideration what?
A
Teacher convenience alone
B
Individual differences among learners
C
Only high-performing students
D
Only examination results
Question 118Single Answer
Which teaching practice is most likely to promote understanding?
A
Asking learners to reproduce notes exactly
B
Relating concepts to examples and applications
C
Discouraging questions
D
Avoiding classroom discussion
Question 119Single Answer
Motivation has what role in learning?
A
It completely eliminates individual differences
B
It generally increases willingness to engage in learning
C
It makes teaching unnecessary
D
It replaces previous knowledge
Question 120Single Answer
Which is an important feature of good classroom communication?
A
One-way transmission only
B
Clear expression and appropriate feedback
C
Maximum use of difficult terminology
D
Absence of student questions
Question 121Single Answer
Teaching can be called an interactive process because it involves what?
A
Only textbook reading
B
Only teacher explanation
C
Only student examination
D
Continuous exchange between teacher, learner and learning environment
Question 122Single Answer
Which condition is most favourable for learning?
A
Fear of failure
B
Active engagement
C
Excessive punishment
D
Complete dependence on memorisation
Question 123Single Answer
The primary function of a teacher in modern education is to do what?
A
Prevent peer interaction
B
Dictate every answer
C
Facilitate learning experiences
D
Focus exclusively on examinations
Question 124Single Answer
Which principle suggests that students learn better when they participate directly in an activity?
A
Learning by passive observation only
B
Learning by punishment
C
Learning by isolation
D
Learning by doing
Question 125Single Answer
Which is an example of intrinsic motivation?
A
Reading to obtain attendance marks
B
Studying only to receive a prize
C
Completing homework to avoid punishment
D
Studying economics because one enjoys understanding economic issues
Question 126Single Answer
Which of the following represents a learner-centred classroom?
A
Questions from students are discouraged
B
Teacher speaks throughout every lesson
C
Students participate in discussions and problem-solving
D
Only textbook content is permitted
Question 127Single Answer
Readiness for learning refers primarily to what?
A
Completion of the entire syllabus
B
The teacher's attendance
C
Availability of examinations
D
A learner's preparedness to undertake a learning task
Question 128Single Answer
Which aspect of teaching helps determine whether instructional objectives have been achieved?
A
Timetable preparation
B
Attendance
C
Seating arrangement
D
Evaluation
Question 129Single Answer
Why are individual differences important in teaching?
A
Learners differ in abilities, interests, experiences and learning needs
B
Every learner uses exactly the same learning strategy
C
Individual differences disappear in adolescence
D
They matter only during examinations
Question 130Single Answer
Which statement best represents the relationship between experience and learning?
A
Experience matters only in vocational education
B
Experience prevents conceptual understanding
C
Experience is unrelated to learning
D
Experience can contribute significantly to learning
General Knowledge
Question 131Single Answer
Which is the longest river in India?
A
Yamuna
B
Ganges
C
Brahmaputra
D
Godavari
Question 132Single Answer
Which civilization is associated with the cities of Harappa and Mohenjo-daro?
A
Vedic Civilization
B
Mauryan Civilization
C
Gupta Civilization
D
Indus Valley Civilization
Question 133Single Answer
The Great Bath was discovered at which Harappan site?
A
Harappa
B
Lothal
C
Kalibangan
D
Mohenjo-daro
Question 134Single Answer
Which is the oldest Veda?
A
Samaveda
B
Yajurveda
C
Atharvaveda
D
Rigveda
Question 135Single Answer
Which day is observed on 1 October every year as declared by the United Nations?
A
World Teachersβ Day
B
International Day of Non-Violence
C
World Food Day
D
International Day of Older Persons
Environmental Science
Question 136Single Answer
What is environmental pollution?
A
Natural recycling of nutrients
B
Conservation of natural resources
C
Undesirable change in environmental quality
D
Formation of ecosystems
Question 137Single Answer
Which of the following is a major source of air pollution in urban areas?
A
Vehicular emissions
B
Rainwater harvesting
C
Afforestation
D
Organic farming
Question 138Single Answer
Which gas is mainly responsible for the formation of acid rain along with nitrogen oxides?
A
Sulphur dioxide
B
Oxygen
C
Hydrogen
D
Helium
Question 139Single Answer
Carbon monoxide is mainly produced by which process?
A
Complete combustion
B
Photosynthesis
C
Incomplete combustion
D
Nitrogen fixation
Question 140Single Answer
Which pollutant reduces the oxygen-carrying capacity of blood by binding with haemoglobin?
A
Carbon monoxide
B
Sulphur dioxide
C
Nitrogen
D
Ozone
Mathematical aptitude
Question 141Single Answer
The cash difference between the selling prices of an article at a profit of 4% and 6% is Rs. 3. The ratio of the two selling prices is:__________ ?
A
51:52
B
52:53
C
51:53
D
52:55
Question 142Single Answer
Which of the following numbers is irrational ?
A
√49
B
0.125
C
√2
D
22/7
Question 143Single Answer
356 x 936 β 356 x 836 = ?
A
35600Β Β
B
34500
C
9630
D
93600
Question 144Single Answer
Arrange in descending order: 5/8, 7/10, 3/4
A
3/4 > 7/10 > 5/8
B
7/10 > 3/4 > 5/8
C
3/4 > 5/8 > 7/10
D
5/8 > 7/10 > 3/4
Question 145Single Answer
What is (3^{4} times 9^{2}) ?
A
36
B
38
C
310
D
96
Β
Logical Reasoning
Question 146Single Answer
How many such pairs of letters are there in the word βCLEANLINESSβ each of the which has as many letters between them in the word as they have in the English alphabet, in the same sequence?
A
Two
B
Three
C
Five
D
Four
E
None of these
Question 147Single Answer
Team A has scored more goals than Team B
Team C has scored fewer goals than Team B
Team A has scored fewer goals than Team C .
If the first two statements are true, the third statement is
A
True
B
False
C
Uncertain
D
None
Question 148Single Answer
Passage :
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z .
Which letter in this alphabet is the eighth letter to the right of the letter and which is tenth letter to the left of the last but one letter of the alphabet ?
A
X
B
W
C
I
D
H
Question 149Single Answer
Passage :
DirectionΒ : The following question is based on the five words given below:
AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily the meaningful English words.)
If the third alphabet of each of the words is changed to the next alphabet in the English alphabetical series, which of the following will form a meaningful English word?
A
SUM
B
BIG
C
Both BIG and THE
D
FOR
E
Both FOR and BIG
Question 150Single Answer
Passage :
Direction : The following question is based on the five words given below:
AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily the meaningful English words.)
If the given words are arranged in the order as they would appear in a dictionary from left to right, which of the following will be second from the right ?