This set of VLSI Multiple Choice Questions & Answers (MCQs) focuses on “Characteristics of npn Bipolar Transistors”. 1. The transconductance of a bipolar is given by ______________ a) (kT/q)/Ic b) Ic/(kT/q) c) (q/KT)/Ic d) Ic/(q/KT) 2. Transconductance depends on the process. a) true b) false 3. gm is ______ on input voltage Vbe. a) inversely … Read more
This set of VLSI Multiple Choice Questions & Answers (MCQs) focuses on “CMOS Inverter”. 1. CMOS inverter has ______ regions of operation. a) three b) four c) two d) five 2. If n-transistor conducts and has large voltage between source and drain, then it is said to be in _____ region. a) linear b) saturation … Read more
This set of VLSI Multiple Choice Questions & Answers (MCQs) focuses on “nMOS Inverter”. 1. Inverters are essential for ________ a) NAND gates b) NOR gates c) sequential circuits d) all of the mentioned 2. In basic inverter circuit _____________ is connected to ground. a) source b) gates c) drain d) resistance 3. In inverter … Read more
This set of VLSI Multiple Choice Questions & Answers (MCQs) focuses on “Parameters of MOS Transistors”. 1. The work function difference is negative for ____________ a) silicon substrate b) polysilicon gate c) silicon substrate & polysilicon gate d) none of the mentioned 2. Substrate bias voltage is positive for nMOS. a) true b) false 3. … Read more
This set of VLSI Multiple Choice Questions & Answers (MCQs) focuses on “Ids versus Vds Relationships”. 1. Ids depends on ___________ a) Vg b) Vds c) Vdd d) Vss 2. Ids can be given by __________ a) Qc x Ʈ b) Qc / Ʈ c) Ʈ / Qc d) Qc / 2Ʈ 3. Transit time … Read more
This set of VLSI Multiple Choice Questions & Answers (MCQs) focuses on “nMOS and CMOS Fabrication”. 1. What is Lithography? a) Process used to transfer a pattern to a layer on the chip b) Process used to develop an oxidation layer on the chip c) Process used to develop a metal layer on the chip … Read more
This set of VLSI Multiple Choice Questions & Answers (MCQs) focuses on “BiCMOS Technology”. 1. MOS technology has more load driving capability. a) true b) false 2. What is the disadvantage of the MOS device? a) limited current sourcing b) limited voltage sinking c) limited voltage sourcing d) unlimited current sinking 3. What are the … Read more
This set of VLSI Multiple Choice Questions & Answers (MCQs) focuses on “CMOS Fabrication”. 1. CMOS technology is used in developing which of the following? a) microprocessors b) microcontrollers c) digital logic circuits d) all of the mentioned 2. CMOS has __________ a) high noise margin b) high packing density c) high power dissipation d) … Read more
This set of VLSI Multiple Choice Questions & Answers (MCQs) focuses on “nMOS Fabrication”. 1. nMOS fabrication process is carried out in ____________ a) thin wafer of a single crystal b) thin wafer of multiple crystals c) thick wafer of a single crystal d) thick wafer of multiple crystals 2. ______________ impurities are added to … Read more
This set of VLSI Multiple Choice Questions & Answers (MCQs) focuses on “VLSI Design”. 1. VLSI technology uses ________ to form integrated circuit. a) transistors b) switches c) diodes d) buffers 2. Medium scale integration has ____________ a) ten logic gates b) fifty logic gates c) hundred logic gates d) thousands logic gates 3. The … Read more
