Digital Principles And System Design Set 12

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This set of Digital Principles and System Design Multiple Choice Questions & Answers (MCQs) focuses on Digital Principles And System Design Set 12

Q1 | The full form of PLD is                      
  • programmable large device
  • programmable long device
  • programmable logic device
  • programmable lengthy device
Q2 | The evolution of PLD began with                      
  • erom
  • ram
  • prom
  • eeprom
Q3 | A ROM is defined as                      
  • read out memory
  • read once memory
  • read only memory
  • read one memory
Q4 | In layering, n layers provide service to
  • n layer
  • n-1 layer
  • n+1 layer
  • none of the mentioned
Q5 | Which can be used as an intermediate device in between transmitter entity and receiver entity?
  • ip router
  • microwave router
  • telephone switch
  • all of the mentioned
Q6 | Which has comparatively high frequency component?
  • sine wave
  • cosine wave
  • square wave
  • none of the mentioned
Q7 | Which has continuous transmission?
  • asynchronous
  • synchronous
  • asynchronous & synchronous
  • none of the mentioned
Q8 | Which requires bit transitions?
  • asynchronous
  • synchronous
  • asynchronous & synchronous
  • none of the mentioned
Q9 | In synchronous transmission, receiver must stay synchronous for
  • 4 bits
  • 8 bits
  • 9 bits
  • 16 bits
Q10 | Which is more efficient?
  • parity check
  • cyclic redundancy check
  • parity & cyclic redundancy check
  • none of the mentioned
Q11 | Which can detect two bit errors?
  • parity check
  • cyclic redundancy check
  • parity & cyclic redundancy check
  • none of the mentioned
Q12 | CRC uses
  • multiplication
  • binary division
  • multiplication & binary division
  • none of the mentioned
Q13 | Which of the following has the capability to store the information permanently?
  • ram
  • rom
  • storage cells
  • both ram and rom
Q14 | ROM has the capability to perform                            
  • write operation only
  • read operation only
  • both write and read operation
  • erase operation
Q15 | Since, ROM has the capability to read the information only then also it has been designed, why?
  • for controlling purpose
  • for loading purpose
  • for booting purpose
  • for erasing purpose
Q16 | The ROM is a                        
  • sequential circuit
  • combinational circuit
  • magnetic circuit
  • static circuit
Q17 | ROM is made up of                        
  • nand and or gates
  • nor and decoder
  • decoder and or gates
  • nand and decoder
Q18 | In ROM, each bit is a combination of the address variables is called                        
  • memory unit
  • storage class
  • data word
  • address
Q19 | What is memory decoding?
  • the process of memory ic used in a digital system is overloaded with data
  • the process of memory ic used in a digital system is selected for the range of address assigned
  • the process of memory ic used in a digital system is selected for the range of data assigned
  • the process of memory ic used in a digital system is overloaded with data allocated in memory cell
Q20 | Which is not a removable drive?                      
  • zip
  • hard disk
  • super disk
  • jaz
Q21 | In ROM, each bit combination that comes out of the output lines is called                        
  • memory unit
  • storage class
  • data word
  • address
Q22 | VLSI chip utilizes                        
  • nmos
  • cmos
  • bjt
  • all of the mentioned
Q23 | How many address bits are required to select memory location in Memory decoder?
  • 4 kb
  • 8 kb
  • 12 kb
  • 16 kb
Q24 | How memory expansion is done?
  • by increasing the supply voltage of the memory ics
  • by decreasing the supply voltage of the memory ics
  • by connecting memory ics together
  • by separating memory ics
Q25 | IC 4116 is organised as                    
  • 512 * 4
  • 16 * 1
  • 32 * 4
  • 64 * 2