McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Computer Applications (BCA) .
Chapters
| 1. |
The time required to locate and retrieve the data from the storage unit is |
| A. | Access time |
| B. | Access mode |
| C. | Storage capacity |
| D. | Storage cost |
| Answer» A. Access time | |
| 2. |
_________stores binary information using clocked sequential circuits. |
| A. | RAM |
| B. | SRAM |
| C. | DRAM |
| D. | ROM |
| Answer» B. SRAM | |
| 3. |
_________ stores binary information in the form of electric charges that are applied to capacitors inside the chip. |
| A. | RAM |
| B. | SRAM |
| C. | DRAM |
| D. | ROM |
| Answer» C. DRAM | |
| 4. |
The data recording density is measured in |
| A. | Bits per inch |
| B. | Bytes per inch |
| C. | Kilobytes per inch |
| D. | Megabytes per inch |
| Answer» B. Bytes per inch | |
| 5. |
Storage capacity of a tape is equal to the product of data recording density and ________. |
| A. | Area of tape |
| B. | Breadth of tape |
| C. | Height of tape |
| D. | Length of tape |
| Answer» D. Length of tape | |
| 6. |
Inter-track gaps are used to separate the adjacent tracks so that the interference of magnetic fields is ________. |
| A. | Minimized |
| B. | Maximized |
| C. | Expanded |
| D. | None of the above |
| Answer» A. Minimized | |
| 7. |
Tracks are commonly divided into sections called _________. |
| A. | Cells |
| B. | Sectors |
| C. | Both (A) and (B) |
| D. | None of the above |
| Answer» B. Sectors | |
| 8. |
If there are 100 tracks on each disk surface, there are ________ cylinders in the disk pack. |
| A. | 99 |
| B. | 101 |
| C. | 100 |
| D. | 1000 |
| Answer» C. 100 | |
| 9. |
If a disk pack consists of 4 plates each having 2655 tracks having 125 sectors per track. Also, each sector can store 512 bytes, then, storage capacity is approximately. |
| A. | 1 MB |
| B. | 1GB |
| C. | 1 X 1010 bytes |
| D. | 10 GB |
| Answer» B. 1GB | |
| 10. |
The average seek time in most systems is |
| A. | 10-100 milliseconds |
| B. | 10-100 seconds |
| C. | 10-100 minutes |
| D. | 10-100 hours |
| Answer» A. 10-100 milliseconds | |
| 11. |
The time taken for positioning the head on a specific track is called |
| A. | Average time |
| B. | Latency time |
| C. | Seek time |
| D. | None of the above |
| Answer» C. Seek time | |
| 12. |
The rotational speed of a disk is measured in |
| A. | Rotation per minute |
| B. | Rotation per second |
| C. | Rotation per hour |
| D. | None of the above |
| Answer» A. Rotation per minute | |
| 13. |
Which of the following is used as wildcards |
| A. | / |
| B. | = |
| C. | * |
| D. | All of the above |
| Answer» C. * | |
| 14. |
For a 3.5 disk high density disk which has 80 tracks, 18 sectors/tracks, 512bytes/sector, the disk storage capacity is approximately |
| A. | 1.4 MB |
| B. | 1.4 GB |
| C. | 1.4 KB |
| D. | None of the above |
| Answer» A. 1.4 MB | |
| 15. |
The size for the disk platters range between _________ in diameter. |
| A. | 1 to 10 inches |
| B. | 1 to 15 inches |
| C. | 1 to 20 inches |
| D. | 1 to 14 inches |
| Answer» D. 1 to 14 inches | |
| 16. |
A zip disk has a capacity of about |
| A. | 1 MB |
| B. | 70 MB |
| C. | 150 MB |
| D. | 100 MB |
| Answer» D. 100 MB | |
| 17. |
A CD is ________ in diameter and made up of polycarbonate plastic disk. |
| A. | 4.75 inch |
| B. | 5.75 inch |
| C. | 6.75 inch |
| D. | 3.75 inch |
| Answer» A. 4.75 inch | |
| 18. |
The average latency depends on _______ of the disk. |
| A. | Rotation per sec |
| B. | Rotation per minute |
| C. | Rotation per hour |
| D. | None of the above |
| Answer» B. Rotation per minute | |
| 19. |
The current maximum capacity of a CD-ROM is |
| A. | 700MB |
| B. | 750 MB |
| C. | 900 MB |
| D. | 1200 MB |
| Answer» C. 900 MB | |
| 20. |
The storage capacity of a dual layer blu-ray disc is |
| A. | 20 GB |
| B. | 30 GB |
| C. | 40 GB |
| D. | 50 GB |
| Answer» D. 50 GB | |
| 21. |
_______ is used to get the features of data accuracy, disk drive storage. |
| A. | Control mode |
| B. | Interrupt mode |
| C. | Isochronous mode |
| D. | Bulk mode |
| Answer» D. Bulk mode | |
| 22. |
Which of the following mode guarantees the timing of data delivery? |
| A. | Control mode |
| B. | Interrupt mode |
| C. | Isochronous mode |
| D. | Bulk mode |
| Answer» C. Isochronous mode | |
| 23. |
The USB 2.0 allows the maximum data speed at the rate of |
| A. | 480 MB/s |
| B. | 520 MB/s |
| C. | 250 MB/s |
| D. | 350 MB/s |
| Answer» A. 480 MB/s | |
| 24. |
Bootable pen drives are also known as |
| A. | Heavy drives |
| B. | Light drives |
| C. | Live drives |
| D. | Hard drives |
| Answer» C. Live drives | |
| 25. |
Memory stick is launched by |
| A. | Sony |
| B. | Microsoft |
| C. | Motorola |
| D. | IBM |
| Answer» A. Sony | |
| 26. |
The function of _______ is to get the computer software operating when the power is turned on. |
| A. | Bootstrap Loader |
| B. | Cache memory |
| C. | RAM |
| D. | ROM |
| Answer» A. Bootstrap Loader | |
| 27. |
In ___________stored information is erased by exposing the chip for a while to ultraviolet light. |
| A. | EPROM |
| B. | ROM |
| C. | PROM |
| D. | UVEROM |
| Answer» D. UVEROM | |
| 28. |
________ memory is faster than the main memory. |
| A. | Secondary |
| B. | Internal processor memory |
| C. | Cache memory |
| D. | All of the above |
| Answer» C. Cache memory | |
| 29. |
_______ refers to the mode in which memory location can be accessed in any order in the same amount of time. |
| A. | Sequential access |
| B. | Direct access |
| C. | Random Access Memory (RAM) |
| D. | None of the above |
| Answer» C. Random Access Memory (RAM) | |
| 30. |
Memories that can be accessed only in a pre-defined sequence are |
| A. | Sequential access memories |
| B. | Direct access memories |
| C. | Random Access Memories (RAM) |
| D. | None of the above |
| Answer» A. Sequential access memories | |
| 31. |
If the storage unit can retain the data even after the power is turned off or interrupted, it is termed as |
| A. | Volatile storage |
| B. | Non-volatile storage |
| C. | Temporary storage |
| D. | None of the above |
| Answer» B. Non-volatile storage | |
| 32. |
The amount of data that can be stored or the number of bytes that can be stored per liner inch of tape is |
| A. | The data recording capacity |
| B. | The data recording storage |
| C. | The data recording density |
| D. | None of the above |
| Answer» C. The data recording density | |
| 33. |
________ devices are also called random-access devices because information is literally available at random or in any order. |
| A. | Direct- access |
| B. | Sequential-access |
| C. | Permanent-access |
| D. | All of the above |
| Answer» A. Direct- access | |
| 34. |
For faster access of data from disk packs ______ are used. |
| A. | Disks |
| B. | Tapes |
| C. | Cartridge |
| D. | Cylinders |
| Answer» D. Cylinders | |
| 35. |
ISYS was originally developed for _______ in the year 1988. |
| A. | Microsoft Windows Operating System |
| B. | Microsoft Disk Operating System |
| C. | Linux Operating System |
| D. | None of the above |
| Answer» B. Microsoft Disk Operating System | |
| 36. |
The disks in which both the surfaces are used for recording are called |
| A. | Double-Sided (DS) disks |
| B. | Double Density(DD) disks |
| C. | High Density |
| Answer» A. Double-Sided (DS) disks | |
| 37. |
The Compact Disk (CD) was invented by |
| A. | Yoshiro Nakamatsu |
| B. | James Russell |
| C. | Jean Bartik |
| D. | Robert Dennard |
| Answer» B. James Russell | |
| 38. |
Digital Versatile Disc-Rewritable (DVD-RW)are rewritable up to |
| A. | 100 times |
| B. | 1000 times |
| C. | 500 times |
| D. | 2000 times |
| Answer» B. 1000 times | |
| 39. |
_______ is a communication transfer mode in which data is transferred in both directions to send and transfer the small amount of data. |
| A. | Interrupt mode |
| B. | Isochronous mode |
| C. | Control mode |
| D. | Interrupt mode |
| Answer» C. Control mode | |
| 40. |
DVD-RW can hold ______ times more data than a full size CD-R. |
| A. | Two |
| B. | Five |
| C. | Seven |
| D. | Ten |
| Answer» C. Seven | |
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