Digital Electronics Set 14
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This set of Digital Electronics Multiple Choice Questions & Answers (MCQs) focuses on Digital Electronics Set 14
Q1 | A large memory is compressed into a small one by using
- lsi semiconductor
- vlsi semiconductor
- cdr semiconductor
- ssi semiconductor
Q2 | The full form of PLD is
- programmable large device
- programmable long device
- programmable logic device
- programmable lengthy device
Q3 | VLSI chip utilizes
- nmos
- cmos
- bjt
- all of the mentioned
Q4 | CD-ROM refers to
- floppy disk
- compact disk-read only memory
- compressed disk-read only memory
- compressed disk- random access memory
Q5 | Data stored in an electronic memory cell can be accessed at random and on demand
- erom
- ram
- prom
- eeprom
Q6 | A ROM is defined as
- read out memory
- read once memory
- read only memory
- read one memory
Q7 | Which of the following has the capability to store the information permanently?
- ram
- rom
- storage cells
- both ram and rom
Q8 | ROM has the capability to perform
- write operation only
- read operation only
- both write and read operation
- erase operation
Q9 | 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
Q10 | The ROM is a
- sequential circuit
- combinational circuit
- magnetic circuit
- static circuit
Q11 | ROM is made up of
- nand and or gates
- nor and decoder
- decoder and or gates
- nand and decoder
Q12 | Why are ROMs called non-volatile memory?
- they lose memory when power is removed
- they do not lose memory when power is removed
- they lose memory when power is supplied
- they do not lose memory when power is supplied
Q13 | In ROM, each bit is a combination of the address variables is called
- memory unit
- storage class
- data word
- address
Q14 | Which is not a removable drive?
- zip
- hard disk
- super disk
- jaz
Q15 | In ROM, each bit combination that comes out of the output lines is called
- memory unit
- storage class
- data word
- address
Q16 | VLSI chip utilizes
- nmos
- cmos
- bjt
- all of the mentioned
Q17 | The time from the beginning of a read cycle to the end of tACS/tAA is called as
- write enable time
- data hold
- read cycle time
- access time
Q18 | Why did PROM introduced?
- to increase the storage capacity
- to increase the address locations
- to provide flexibility
- to reduce the size
Q19 | Which of the following is programmed electrically by the user?
- rom
- eprom
- prom
- eeprom
Q20 | PROMs are available in
- bipolar and mosfet technologies
- mosfet and fet technologies
- fet and bipolar technologies
- mos and bipolar technologies
Q21 | How many 8 k × 1 RAMs are required to achieve a memory with a word capacity of 8 k and a word length of eight bits?
- eight
- two
- one
- four
Q22 | Which of the following best describes the fusible-link PROM?
- manufacturer-programmable, reprogrammable
- manufacturer-programmable, one-time programmable
- user-programmable, reprogrammable
- user-programmable, one-time programmable
Q23 | Which part of a Flash memory architecture manages all chip functions?
- program verify code
- floating-gate mosfet
- command code
- input/output pins
Q24 | How much locations an 8-bit address code can select in memory?
- 8 locations
- 256 locations
- 65,536 locations
- 131,072 locations
Q25 | What is a fusing process?
- it is a process by which data is passed to the memory
- it is a process by which data is read through the memory
- it is a process by which programs are burnout to the diode/transistors
- it is a process by which data is fetched through the memory