Digital Circuits Mock Test 9

10%

Question 1 of 10

1. Which type of ROM has to be custom built by the factory?

EPROM

Mask ROM

EEPROM

PROM

Question 1 of 10

Question 2 of 10

2. PROMs are available in ___________

Bipolar and MOSFET technologies

MOS and bipolar technologies

FET and bipolar technologies

MOSFET and FET technologies

Question 2 of 10

Question 3 of 10

3. Which of the following IC is of 256 bit?

IC 74186

IC 74188

IC 74187

IC 74189

Question 3 of 10

Question 4 of 10

4. The MOS technology based semiconductor ROMs are classified into _____ categories.

Question 4 of 10

Question 5 of 10

5. Which of the following best describes EPROMs?

EPROMs can be programmed only once

EPROMs can be erased by shorting all inputs to the ground

EPROMs can be erased by UV

EPROMs can be erased electrically

Question 5 of 10

Question 6 of 10

6. Which of the following is not a type of memory?

EEPROM

ROM

FPROM

RAM

Question 6 of 10

Question 7 of 10

7. Computers invariably use RAM for __________

High flexibility

High resolution

High complexity

High speed main memory

Question 7 of 10

Question 8 of 10

8. To store 0 in such a cell, the floating point must be ______________

Power off

Reprogrammed

Charged

Restarted

Question 8 of 10

Question 9 of 10

9. RAM is also known as __________

MAR

MBR

ROM

RWM

Question 9 of 10

Question 10 of 10

10. The major disadvantage of RAM is?

High power consumption

Its access speed is too slow

Its matrix size is too big

It is volatile

Question 10 of 10