MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A major disadvantage of the mask ROM is that ____________ |
| A. | It is time consuming to change the stored data when system requirements change |
| B. | It is very expensive to change the stored data when system requirements change |
| C. | It cannot be reprogrammed if stored data needs to be changed |
| D. | It has an extremely short life expectancy and requires frequent replacement |
| Answer» D. It has an extremely short life expectancy and requires frequent replacement | |
| 2. |
The computer s main memory is __________ |
| A. | Hard drive and RAM |
| B. | CD-ROM and hard drive |
| C. | RAM and ROM |
| D. | CMOS and hard drive |
| Answer» D. CMOS and hard drive | |
| 3. |
What does the term random access mean in terms of memory? |
| A. | Any address can be accessed in systematic order |
| B. | Any address can be accessed in any order |
| C. | Addresses must be accessed in a specific order |
| D. | Any address can be accessed in reverse order |
| Answer» C. Addresses must be accessed in a specific order | |
| 4. |
In the floppy drive, data is written to and read from the disk via a magnetic _____ head mechanism. |
| A. | Cluster |
| B. | Read/Write |
| C. | Cylinder |
| D. | Recordable |
| Answer» C. Cylinder | |
| 5. |
Which ROM can be erased by an electrical signal? |
| A. | ROM |
| B. | Mask ROM |
| C. | EPROM |
| D. | EEPROM |
| Answer» E. | |
| 6. |
Which of the following is not a part of Hard disk? |
| A. | Platter |
| B. | Read/Write |
| C. | Valve |
| D. | Spindle |
| Answer» D. Spindle | |
| 7. |
What is the major difference between DRAM and SRAM? |
| A. | Dynamic RAMs are always active; static RAMs must reset between data read/write cycles |
| B. | SRAMs can hold data via a static charge, even with power off |
| C. | The only difference is the terminal from which the data is removed from the FET Drain or Source |
| D. | DRAMs must be periodically refreshed |
| Answer» E. | |
| 8. |
Which bus is used for input and output in case of microprocessor operation? |
| A. | Address bus |
| B. | System bus |
| C. | Control bus |
| D. | Data bus |
| Answer» D. Data bus | |
| 9. |
The Width of a processor s data path is measured in bits. Which of the following are common data paths? |
| A. | 8 bits |
| B. | 12 bits |
| C. | 16 bits |
| D. | 32 bits |
| Answer» B. 12 bits | |
| 10. |
The full form of EEPROM is __________ |
| A. | Erasable Electrically Programmable ROMs |
| B. | Electrically Erasable Programmable ROMs |
| C. | Electrically Erasable Programming ROMs |
| D. | Electrically Erasable Programmed ROMs |
| Answer» C. Electrically Erasable Programming ROMs | |
| 11. |
MOS ROM is constructed using __________ |
| A. | FETs |
| B. | Transistors |
| C. | MOSFETs |
| D. | BJTs |
| Answer» D. BJTs | |
| 12. |
The MOS technology based semiconductor ROMs are classified into _____ categories. |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |