List of top Questions asked in CUET (PG)

Match List - I with List - II.

List - IList - II
A. NOR gate
B. NAND gate
C. XOR gate
D. XNOR gate		I. High output when both inputs are different
II. Low output when any of input is high
III. High output when any of input is low
IV. High output when both the inputs are same

An angle-modulated signal with carrier frequency \(\omega_c = 2\pi \times 10^5\) is described by the equation. \[ \Phi_{em}(t)=10\cos(\omega_c t+5\sin 3000t+10\sin 2000t) \] The power of the modulated signal is :
Consider a modulating signal \(m(t)=2\sin(2\pi 10^3 t)\) is used to modulate a carrier of frequency \(10^6\) Hz. Find the bandwidth for phase modulation. Use phase modulation index \(=10\) units.
Minimum number of NAND gate required to implement the following Boolean expression : \[ X = AB + CD \]
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Instruction cycle is defined as the time required to complete the execution of an instruction. Reason (R): The 8085 instruction cycle consists of three to six machine cycles. In the light of the above statements, choose the most appropriate answer from the options given below :
Which of the following is a universal flip-flop ?
Work function \(\phi\) of a metal is \(9.53 \times 10^{-19}\) J, and the frequency of incident light is \(3.5 \times 10^{16}\) Hz. Find the kinetic energy of photoelectron. (Given Planck's constant \(h = 6.62 \times 10^{-34}\) Js) ?
The longest wavelength that can be absorbed by silicon, which has the bandgap of \(1.12\) eV, is \(1.1\,\mu m\). If the longest wavelength that can be absorbed by another material is \(0.78\,\mu m\), then the bandgap of this material is :
The energy-momentum (E-K) relationship in a crystalline solid is usually obtained by solving :
When the photoresist coating (during IC fabrication) is exposed to ultraviolet light, the photoresist becomes :
Which sensor characteristic describes its ability to selectively detect a specific analyte without interference from other substances in the sample ?
The process of extension of a single-crystal surface by growing a film in such a way that the added atoms form a continuation of the single-crystal structure is called :
The uses of silicon dioxide in modern integrated circuit fabrication process :
• [A.] To serve as mask against diffusion of dopants into silicon
• [B.] To provide surface passivation
• [C.] To isolate one device from another device
• [D.] To act as a component in MOS structures
• [E.] To provide electrical isolation of multi-level metallization systems Choose the correct answer from the options given below :

Match List - I with List - II.

List - IList - II
A. Address bus
B. Data bus
C. Control bus
D. Tristate logic		I. Carries read/write signals, timing signals, and interrupt signals
II. A three-state output that can be high, low, or high-impedance
III. Unidirectional lines used by CPU to point to a memory location or I/O device
IV. Bidirectional lines used for transferring data between CPU and memory

Match List - I with List - II.

List - IList - II
A. ROM
B. EPROM
C. EEPROM
D. SRAM		I. Volatile, Fast, Expensive
II. UV erasable
III. Electrically erasable
IV. Non-Volatile, permanent data

Match List - I with List - II.

List - IList - II
A. Immediate Addressing
B. Register Addressing
C. Direct Addressing
D. Indirect Addressing		I. \texttt{LDAX B}
II. \texttt{OUT 01H}
III. \texttt{MVI B,37H}
IV. \texttt{MOV A,B}

The most fundamental physical principle that allows light to be transmitted along the optical fiber without significant loss :
In 8085 microprocessor, which of the following are 2-byte instructions ?
• [A.] MOV C, A
• [B.] MVI A, 32H
• [C.] LDA 2050H
• [D.] JMP 2085H
• [E.] ADD B Choose the correct answer from the options given below :
Consider the following statements regarding the 8085 microprocessor :
• [A.] The 8085 is an 8-bit microprocessor.
• [B.] It has a 16-bit address bus, allowing it to access 64 KB of memory.
• [C.] It has 40 pins.
• [D.] It uses a multiplexed address/data bus. Choose the correct answer from the options given below :
The content of register (B) and register (C) of 8085 microprocessor are 0AFH and 0BH. It is desired to multiply the content of register B and register C and store the results in accumulator. A part of 8085 program for this purpose is given as : \[ \texttt{MVI A,00H} \] \[ \texttt{LOOP : _________} \] \[ \texttt{_________} \] \[ \texttt{_________} \] \[ \texttt{HLT} \] A sequence of instructions to complete the program would be :
The sequence of steps performed by microprocessor to fetch the data byte from memory :
• [A.] The byte is placed in the instruction decoder of the microprocessor.
• [B.] The byte from the memory location is placed on data bus.
• [C.] The control unit sends the control signal RD to enable the memory chip.
• [D.] Bus microprocessor places the 16-bit memory address from program counter on the address bus. Choose the correct answer from the options given below :
Sequence of steps in 8085 microprocessor interrupt execution :
• [A.] Interrupt acknowledged
• [B.] Program content saved
• [C.] Control transferred to ISR
• [D.] Interrupt vector is read Choose the correct answer from the options given below :
In a microprocessor, the register which holds the address of the next instruction to be fetched is :
The 8085 uses which technique for memory and I/O access ?
If 8085 microprocessor adds 87H and 79H, then :