Computer System Structures Interview Questions Part4

47) ________ is/are only storage media that the CPU can access directly.
1) Main memory
2) Storage memory
3) both
4) None
Answer: 1
Level:1

48) _________ is the extension of main memory that provides large non volatile storage capacity.
1) Secondary storage
2) RAM
3) Cache
4) None
Answer: 1
Level:1

49) Which of the following is a volatile storage medium?
1) Hard disc
2) RAM
3) Magnetic tapes
4) Compact disc
Answer: 2
Level:1

50) Which of the following is a non- volatile storage medium?
1) Cache
2) RAM
3) CPU Registers
4) Hard disc
Answer: 4
Level:1

51) DMA stands for______
1) Direct Memory Access
2) Directory Memory Access
3) Differential Memory Access
4) All the above
Answer: 1
Level:1

52) A _____ is a memory that stores data while they are transferred between two devices or between a device and an application.
1) Buffer
2) Cache
3) Hard disc
4) Compact disc
Answer: 1
Level:1

53) Question: From the given data
Bytes/Sector = 500
Sectors/Track = 50
Tracks/Platter = 150
Platters/ Hard Disk = 10
Total number of bytes in the hard disk?
1) 500 x 50 x 10
2) 500 x 50 x 150
3) 500 x 50 x 150 x 10
4) 500 x 150 x 10
Answer: 3
54) Question: From the given data
Bytes/Sector = 500
Sectors/Track = 50
Tracks/Platter = 150
Platters/ Hard Disk = 10

Total number bytes in a platter?
1) 500 x 50 x 150
2) 500 x 50 x 10
3) 500 x 150 x 50 x 10
4) 500 x 150 x 10
Answer: 1
55) Question: From the given data
Bytes/Sector = 500
Sectors/Track = 50
Tracks/Platter = 150
Platters/ Hard Disk = 10
Total number of bytes per cylinder?
1) 500 x 50 x 10
2) 500 x 150 x 50
3) 500 x 150 x 10
4) 50 x 150 x 10
Answer: 1
56) Question: From the given data
Bytes/Sector = 750
Sectors/Track = 100
Tracks/Platter = 150
Platters/ Hard Disk = 50
Total number of bytes in the hard disk?
1) 750 x 100 x 50
2) 750 x 100 x 150
3) 750 x 100 x 150 x 50
4) 750 x 150 x 50
Answer: 3
57) From the given data
Bytes/Sector = 750
Sectors/Track = 100
Tracks/Platter = 150
Platters/ Hard Disk = 50
Total number bytes in a platter?
1) 750 x 100 x 150
2) 750 x 100 x 50
3) 750 x 150 x 100 x 50
4) 750 x 150 x 50
Answer: 1
58) From the given data
Bytes/Sector = 750
Sectors/Track = 100
Tracks/Platter = 150
Platters/ Hard Disk = 50
Total number of bytes per cylinder?
1) 750 x 100 x 50
2) 750 x 150 x 100
3) 750 x 150 x 50
4) 100 x 150 x 50
Answer: 1