Computer System Architecture

51. ____________ interface is an entity that controls data transfer from external device, main memory and or CPU registers:

1. I/O interface
2. CPU interface
3. Input interface
4. Output interface

View answer

52. The operating mode of I/O devices is ____________ for different device:

1. Same
2. Different
3. Optimum
4. Medium

View answer

53. To resolve problems of I/O devices there is a special hardware component between CPU and ____________ to supervise and synchronize all input output transfers:

1. Software
2. Hardware
3. Peripheral
4. None of these

View answer

54. IDE is a ____________ controller:

1. Disk
2. Floppy
3. Hard
4. None of these

View answer

55. In devices, controller is used for ____________:

1. Buffering the data
2. Manipulate the data
3. Calculate the data
4. Input the data

View answer

56. By which signal flow of traffic between internal and external devices is done:

1. Only control signal
2. Only timing signal
3. Control and timing signal
4. None of these

View answer

57. In devices 2 status reporting signals are:

1. BUSY
2. READY
3. Both a & b
4. None of these

View answer

58. I/O module must recognize a ____________ address for each peripheral it controls:

1. Long
2. Same
3. Unique
4. Bigger

View answer

59. Each interaction b/w CPU and I/O module involves:

1. Bus arbitration
2. Bus revolution
3. Data bus
4. Control signals

View answer

60. Which are 4 types of commands received by an interface:

1. Control, status, data output, data input
2. Only data input
3. Control, flag, data output, address arbitration
4. Data input, data output, status bit, decoder

View answer