Digital Circuits Mock Test 10

10%

Question 1 of 10

1. Dynamic RAM is used as main memory in a computer system as __________

It needs refreshing circuitry

Consumes less power

It has a lower cell density

Has higher speed

Question 1 of 10

Question 2 of 10

2. Why do a DRAM employ the address multiplexing technique?

To reduce the number of address lines

To increase the number of memory locations

To reduce the number of memory locations

To increase the number of address lines

Question 2 of 10

Question 3 of 10

3. To construct 16K * 4-bit memory, how many 4116 ICs are required?

Question 3 of 10

Question 4 of 10

4. Dynamic RAM is more preferable than static RAM, why?

DRAM is of the lowest cost, highest density

DRAM is more flexible and lowest storage capacity

DRAM is of the lowest cost, lowest density

DRAM is of the highest cost, reduced size

Question 4 of 10

Question 5 of 10

5. An address multiplexing in DRAM is of _____ bits.

17654

16384

15289

10240

Question 5 of 10

Question 6 of 10

6. The DRAM stores its binary information on __________

BJT

MOSFET

Capacitor

Transistor

Question 6 of 10

Question 7 of 10

7. The inputs in the PLD is given through ____________

NAND gates

AND gates

OR gates

NOR gates

Question 7 of 10

Question 8 of 10

8. Most modern operating systems employ a method of extending RAM capacity, known as __________

Static memory

Magnetic memory

Virtual memory

Storage memory

Question 8 of 10

Question 9 of 10

9. Which of the following RAM is volatile in nature?

Both SRAM and DRAM

DRAM

SRAM

EEPROM

Question 9 of 10

Question 10 of 10

10. DRAM is fabricated by using IC __________

2114

2776

7489

4116

Question 10 of 10