Legal Metrology • Computer Science & Engineering Paper-I
In an NFA, if there exists at least one path from the start state to a final state that accepts the input string, what is the overall acceptance status of the input string?
A)
Accepted
B)
Rejected
C)
Ambiguous
D)
Undefined
In the context of Unmapped / long tail, the most appropriate and technically accurate answer is 'Accepted' (Option A).
Legal Metrology • Computer Science & Engineering Paper-I
What is the primary storage technology used in Solid-State Drives (SSDs)?
A)
Magnetic disks
B)
Optical disks
C)
NAND flash memory
D)
RAM (Random Access Memory)
SSDs use NAND flash memory.
Legal Metrology • Computer Science & Engineering Paper-I
When a CPU accesses data stored in cache memory, it checks the ___ to determine if the data has been modified.
A)
Flag bit
B)
Reference bit
C)
Update bit
D)
Dirty Bit
The dirty bit indicates that cached data have been modified relative to main memory.
Legal Metrology • Computer Science & Engineering Paper-I
How are outputs associated with states in a Moore machine?
A)
Each state has a fixed output, independent of inputs.
B)
Outputs are defined for each state and input combination.
C)
Outputs are defined only for the initial state.
D)
Outputs are defined only for the final state.
In the context of Unmapped / long tail, the most appropriate and technically accurate answer is 'Outputs are defined only for the initial state.' (Option C).
Legal Metrology • Computer Science & Engineering Paper-I
Which of the following memory device store the BOOT sector files of the system?
A)
Cache
B)
RAM
C)
ROM
D)
SSD
ROM traditionally stores boot/firmware code that must survive power-off.
Legal Metrology • Computer Science & Engineering Paper-I
What is the typical threshold voltage polarity for a PMOS transistor?
A)
Positive threshold voltage
B)
Negative threshold voltage
C)
Zero threshold voltage
D)
Variable threshold voltage
In the context of Electrical / Electronics Engineering, the most appropriate and technically accurate answer is 'Negative threshold voltage' (Option B).
Legal Metrology • Computer Science & Engineering Paper-I
Which of the following statements is true about Type 1 grammars?
A)
They are also known as context-free grammars.
B)
They can be parsed using a finite automaton.
C)
They can generate context-free languages.
D)
They can generate context-sensitive languages.
In the context of Unmapped / long tail, the most appropriate and technically accurate answer is 'They are also known as context-free grammars.' (Option A).
Legal Metrology • Computer Science & Engineering Paper-I
Which register is often used as an intermediary in data transfer operations?
A)
Program Counter (PC)
B)
Accumulator (ACC)
C)
Memory Buffer Register (MBR)
D)
Instruction Register (IR)
The memory-buffer register temporarily holds data being transferred between CPU and memory.
Legal Metrology • Computer Science & Engineering Paper-I
Which method of Boolean function simplification involves creating a truth table and grouping adjacent terms with the same output value?
A)
Karnaugh Map (K-map)
B)
Quine-McCluskey method
C)
Algebraic manipulation
D)
De Morgan’s theorem
In the context of Electrical / Electronics Engineering, the most appropriate and technically accurate answer is 'De Morgan’s theorem' (Option D).
Legal Metrology • Computer Science & Engineering Paper-I
What is the key factor that determines the switching speed of a transistor when used as a switch?
A)
The collector current
B)
The base current
C)
The emitter voltage
D)
The transition capacitance
In the context of Electrical / Electronics Engineering, the most appropriate and technically accurate answer is 'The base current' (Option B).
Legal Metrology • Computer Science & Engineering Paper-I
Which law of Boolean algebra states that the order of operations does not affect the final result when using AND and OR operations?
A)
Commutative Law
B)
Associative Law
C)
Distributive Law
D)
Identity Law
In the context of Electrical / Electronics Engineering, the most appropriate and technically accurate answer is 'Identity Law' (Option D).
Legal Metrology • Computer Science & Engineering Paper-I
Which logic gate is NOT a basic building block of CMOS circuits?
A)
NAND gate
B)
NOR gate
C)
XOR gate
D)
XNOR gate
In the context of Electrical / Electronics Engineering, the most appropriate and technically accurate answer is 'NAND gate' (Option A).
Legal Metrology • Computer Science & Engineering Paper-I
Which flip-flop type has an “indeterminate” or “forbidden” state when both of its inputs (S and R) are set to logic level 1?
A)
D flip-flop
B)
T flip-flop
C)
JK flip-flop
D)
SR flip-flop
The SR flip-flop/latch has the forbidden state when S=R=1 in the basic implementation.
Legal Metrology • Computer Science & Engineering Paper-I
Which of the following notations is commonly used to represent a mapping from set A to set B?
A)
A>B
B)
ASB
C)
AUB
D)
ANB
Based on established principles in Quantitative Aptitude, the correct and most clinically/technically appropriate choice is 'ASB' (Option B).
Legal Metrology • Computer Science & Engineering Paper-I
In the Fibonacci sequence, what is the recurrence relation that defines each term?
A)
F(n) = F(n- 1) + F(n - 2)
B)
F(n) =F(m- 1) * F(n- 2)
C)
F(n)=F(n+ 1) -F(m- 1)
D)
F(n) =F(n- 1)/ F(n- 2)
Based on established principles in Quantitative Aptitude, the correct and most clinically/technically appropriate choice is 'F(n)=F(n+ 1) -F(m- 1)' (Option C).
Legal Metrology • Computer Science & Engineering Paper-I
Which type of finite automaton is typically used for state minimization?
A)
Non-deterministic Finite Automaton(NFA)
B)
Deterministic Finite Automaton (DFA)
C)
Pushdown Automaton (PDA)
D)
Turing Machine (TM)
In the context of Unmapped / long tail, the most appropriate and technically accurate answer is 'Non-deterministic Finite Automaton(NFA)' (Option A).
Legal Metrology • Computer Science & Engineering Paper-I
In audio applications, which type of waveform is commonly associated with musical instrument sounds?
A)
Sine wave
B)
Square wave
C)
Triangular wave
D)
Sawtooth wave
Musical instrument tones are usually periodic, with a strong fundamental plus harmonics; a sine wave is the basic model.
Legal Metrology • Computer Science & Engineering Paper-I
Which type of flip-flop is commonly used for storing a single bit of data and has two stable states, “0” and “1”?
A)
D flip-flop
B)
T flip-flop
C)
JK flip-flop
D)
SR flip-flop
In the context of Electrical / Electronics Engineering, the most appropriate and technically accurate answer is 'T flip-flop' (Option B).
Legal Metrology • Computer Science & Engineering Paper-I
What is a partially ordered set (poset)?
A)
A set of positive integers
B)
A set of elements with no order or relationship
C)
A set with a binary relation that is reflexive, antisymmetric, and transitive
D)
A set of prime numbers
In the context of Quantitative Aptitude, the most appropriate and technically accurate answer is 'A set of positive integers' (Option A).
Legal Metrology • Computer Science & Engineering Paper-I
In CMOS circuits, what is the purpose of using complementary NMOS and PMOS transistors?
A)
To increase power consumption
B)
To reduce speed
C)
To lower noise immunity
D)
To achieve low power consumption and high noise immunity
In the context of Electrical / Electronics Engineering, the most appropriate and technically accurate answer is 'To achieve low power consumption and high noise immunity' (Option D).
Legal Metrology • Computer Science & Engineering Paper-I
Which type of transistor is commonly used for high-power switching applications due to its ability to handle large current flows?
A)
NPN transistor
B)
PNP transistor
C)
Field-Effect Transistor (FET)
D)
Metal-Oxide-Semiconductor FET (MOSFET)
In the context of Electrical / Electronics Engineering, the most appropriate and technically accurate answer is 'PNP transistor' (Option B).
Legal Metrology • Computer Science & Engineering Paper-I
Which of the following statements is true regarding register transfer operations?
A)
Register transfer operations are performed using high-level programming languages.
B)
Register transfer operations can only involve one register at a time.
C)
Register transfer operations are used to move data between registers and perform arithmetic/logic operations.
D)
Register transfer operations do not require a control unit.
Register-transfer operations move data among registers and can include arithmetic/logic operations under control signals.
Legal Metrology • Computer Science & Engineering Paper-I
What does VLIW stands for?
A)
Very Long Instruction Word
B)
Very Long Instruction Width
C)
Very Large Instruction Word
D)
Very Large Instruction Width
VLIW means Very Long Instruction Word.
Legal Metrology • Computer Science & Engineering Paper-I
Which of the following provides fastest data access?
A)
Caches
B)
DRAMs
C)
SRAMs
D)
Registers
CPU registers are faster than cache, SRAM, and DRAM.
Legal Metrology • Computer Science & Engineering Paper-I
Which of the following is true about microprogrammed control?
A)
It is a form of hardwired control.
B)
It uses only high-level programming languages.
C)
It does not require control memory.
D)
It relies on microinstructions to control the CPU’s operations.
Microprogrammed control uses microinstructions stored in control memory to sequence CPU control signals.
