This set of Operating System Multiple Choice Questions & Answers (MCQs) focuses on “I/O System – Kernel I/O Subsystems”. 1. Caching is ________ spooling.a) same asb) not the same asc) all of the mentionedd) none of the mentioned 2. Caching ____________a) holds a copy of the datab) is fast memoryc) holds the only copy of […]
Continue ReadingThis set of VHDL Multiple Choice Questions & Answers (MCQs) focuses on “Designing Counters with VHDL”. 1. Which of the following flip-flop is used by the ring counter?a) D flip-flopsb) SR flip-flopsc) JK flip-flopsd) T flip-flops 2. ‘shift_reg’ is used to initialize the _____________ in the shift register.a) LSBb) MSBc) Register typed) Register bits 3. […]
Continue ReadingThis set of Embedded System Multiple Choice Questions & Answers (MCQs) focuses on “Power Controls”. 1. Which of the following allows voltage reversing?a) H bridgeb) Relaysc) LEDsd) LCDs 2. Which devices have high drive capability?a) transistorb) fetc) buffer packd) darlington amplifier 3. Which devices are used as indicators in a digital system?a) LCDb) LEDc) Varactor […]
Continue Reading