7-71.
7-72.
The compatibility of voltage levels between the
7-74.
computer and external equipments is ensured by
which of the following means?
1. The CPU
2. The I/O processor
3. The I/O interfacing components
4. The type and number of pins in the cable
connectors
7-75.
Transfer of data within a digital computer is
accomplished internally using which of the
following means?
1. Standard I/O interfaces
2. Serial format
3. Parallel format
4. Serial interface board
7-73. The conversion of data for transmission over a
serial channel is accomplished by which of the
following means?
1. A serial interface board
2. A standard format interface
3. A universal receiver-transmitter
4. I/O control printed circuit board
50
When a universal synchronous-asynchronous
receiver transmitter is used, it functions as which
of the following devices?
1. A microprocessor
2. An I/O serial interface board
3. An I/O parallel interface board
4. A peripheral device to the microprocessor
The universal synchronous-asynchronous receiver
transmitter’s specific asynchronous interfacing is
controlled by which of the following means?
1. The bidirectional tristate data bus
2. The I/O control printed circuit board
3. The read/write control logic
4. The CPU
