Read Only Memory(ROM) – 3 MCQ’s

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This set of Digital Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Read Only Memory(ROM) – 3″.

1. Which programming is done during the manufacturing process?
a) Mask Programming
b) PROM
c) Both PROM and mask programming
d) EPROM

2. A photographic negative is called a ____________
a) Photo
b) Negative
c) Mask
d) Virtual image

3. ROM may be programmed in _____ ways.
a) 2
b) 3
c) 4
d) 5

4. Mask programming is also known as __________
a) EPROM
b) PROM
c) Custom programming
d) Both PROM and EPROM

5. Which IC is a typical MSI/TTL based?
a) IC 74187
b) IC 74189
c) IC 74188
d) IC 74186

6. How many rows and columns are present in IC 74187?
a) 128, 3
b) 128, 4
c) 256, 3
d) 256, 4

7. The total storage capacity of 16 * 8 ROM is __________
a) 8 bits
b) 16 bits
c) 128 bits
d) 64 bits

8. IC 74187 is of __________
a) 512 bits
b) 1024 bits
c) 256 bits
d) 68 bits

9. Which of the following IC is of 256 bit?
a) IC 74187
b) IC 74189
c) IC 74188
d) IC 74186

10. How many address location a bipolar ROM has?
a) 16
b) 32
c) 64
d) 8

11. TMS 45276 is of __________
a) 32 KB
b) 56 KB
c) 8 bits
d) 4 bytes

12. Which IC is known as bipolar ROM?
a) IC 74187
b) IC 74189
c) IC 74188
d) IC 74186

13. Which of the following is known as MOS static ROM?
a) TMS 45276
b) TMS 45278
c) TMS 45279
d) TMS 45275

14. What does CS mean in a chip?
a) Storing Capacity
b) Custom Select
c) Chip Select
d) Custom Storage

15. ROMs are used to __________
a) Store bootstrap program
b) Character generation
c) Code conversion
d) All of the Mentioned

16. Which of the following has the capability to store the highest bits of data?
a) TMS 45276
b) IC 74188
c) IC 74187
d) IC 74185

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