Memory and Storage Questions and Answers
Memory and Storage Questions with Answers are an integral part of digital electronics aptitude and technical competitive exams. This topic focuses on types of memories—RAM, ROM, Cache, and Flash—and their roles in data processing and system performance. Students preparing for GATE, ISRO, DRDO, or PSU exams often encounter questions that test conceptual understanding of primary vs. secondary storage, memory hierarchy, and data access methods. Practicing aptitude questions with solutions PDF on Memory and Storage helps learners build strong analytical reasoning about digital systems. These aptitude-based problems come with detailed explanations to strengthen your conceptual clarity and enhance speed during exams. Start your aptitude test practice online to confidently solve memory and storage-related questions in any electronics or computer engineering placement test.
Memory and Storage
31. Typically, how often is DRAM refreshed?
- 2 to 8 ms
- 4 to 16 ms
- 8 to 16 s
- 1 to 2 s
32. Which type of ROM can be erased by an electrical signal?
- ROM
- mask ROM
- EPROM
- EEPROM
33. Suppose that a certain semiconductor memory chip has a capacity of 8K × 8. How many bytes could be stored in this device?
- 8,000
- 64,000
- 65,536
- 8,192
34. Data is written to and read from the disk via a magnetic ________ head mechanism in the floppy drive.
- cylinder
- read/write
- recordable
- cluster
35. What does the term "random access" mean in terms of memory?
- Addresses must be accessed in a specific order.
- Any address can be accessed in any order.
36. A 64-Mbyte SIMM is installed into a system, but when a memory test is executed, the SIMM is detected as a 32-Mbyte device. What is a possible cause?
- The memory module was not installed properly.
- The voltage on the memory module is incorrect.
- The most significant address line is stuck high or low.
- The address decoder on the SIMM is faulty.
37. How many address lines would be required for a 2K × 4 memory chip?
- 8
- 10
- 11
- 12
38. When a RAM module passes the checkerboard test it is:
- able to read and write only 1s.
- faulty.
- probably good.
- able to read and write only 0s.
39. Which type of ROM has to be custom built by the factory?
- ROM
- mask ROM
- EPROM
- EEPROM
40. What is the computer main memory?
- Hard drive and RAM
- CD-ROM and hard drive
- RAM and ROM
- CMOS and hard drive