Deck 12: Transmission, Memory and PLDS

Question 1

Which of the following has the capability to store the information permanently?

A)ram
B)rom
C)storage cells
D)both ram and rom

Answer 1

rom

Question 2

ROM has the capability to perform______________          

A)write operation only
B)read operation only
C)both write and read operation
D)erase operation

Answer 2

read operation only

Question 3

Since, ROM has the capability to read the information only then also it has been designed, why?

A)for controlling purpose
B)for loading purpose
C)for booting purpose
D)for erasing purpose

Answer 3

for booting purpose

Question 4

The ROM is a______________      

A)sequential circuit
B)combinational circuit
C)magnetic circuit
D)static circuit

Question 5

ROM is made up of______________      

A)nand and or gates
B)nor and decoder
C)decoder and or gates
D)nand and decoder

Question 6

In ROM, each bit is a combination of the address variables is called______________      

A)memory unit
B)storage class
C)data word
D)address

Question 7

What is memory decoding?

A)the process of memory ic used in a digital system is overloaded with data
B)the process of memory ic used in a digital system is selected for the range of address assigned
C)the process of memory ic used in a digital system is selected for the range of data assigned
D)the process of memory ic used in a digital system is overloaded with data allocated in memory cell

Question 8

Which is not a removable drive?______________    

A)zip
B)hard disk
C)super disk
D)jaz

Question 9

In ROM, each bit combination that comes out of the output lines is called______________      

A)memory unit
B)storage class
C)data word
D)address

Question 10

VLSI chip utilizes______________      

A)nmos
B)cmos
C)bjt
D)all of the mentioned

Question 11

How many address bits are required to select memory location in Memory decoder?

A)4 kb
B)8 kb
C)12 kb
D)16 kb

Question 12

How memory expansion is done?

A)by increasing the supply voltage of the memory ics
B)by decreasing the supply voltage of the memory ics
C)by connecting memory ics together
D)by separating memory ics

Question 13

IC 4116 is organised as______________  

A)512 * 4
B)16 * 1
C)32 * 4
D)64 * 2

Question 14

PLD contains a large number of______________  

A)flip-flops
B)gates
C)registers
D)all of the mentioned

Question 15

How many 1024 * 1 RAM chips are required to construct a 1024 * 8 memory system?

A)4
B)6
C)8
D)12

Question 16

How many 16K * 4 RAMs are required to achieve a memory with a capacity of 64K and a word length of 8 bits?

A)2
B)4
C)6
D)8

Question 17

Why antifuses are implemented in a PLD?

A)to protect from high voltage
B)to increase the memory
C)to implement the programmes
D)as a switching devices