7-24.
While still in the circuit, which of the
following PROMS can (a) be programmed
and (b) erased?
1. (a) EAPROM/EEPROM
(b) EAPROM/EEPROM
2. (a) EAPROM/EEPROM
(b) UV EPROM
3. (a) UV EPROM
(b) EAPROM/EEPROM
4. (a) UV PROM
(b) UV PROM
7-25.
A device that serves as a shared entry point
from a local-area network into a larger
information resource is which of the
following?
1. Gateway
2. Input/output adapter (IOA)
3. Input/output controller (IOC)
4. Data terminal equipment (DTE)
7-26.
A function that transfers status by using the
appropriate control signals from a
transmitting device to the receiving
computer is which of the following?
1. Input data (ID)
2. Output data (OD)
3. External fiction (EF)
4. External interrupt (EI)
7-27.
The I/O processor controls which of the
following transfers?
1. The transfer of data between registers
2. The transfer of information between
main memory and the CPU
3. The transfer of timing signals between
the ALU and the CPU
4. The transfer of information between
main memory and the external
equipments
7-28.
Establishing, directing, and monitoring
transfers with external equipments are the
functions of which of the following
devices?
1. CPU
2. IOA
3. IOC
4. Bidirectional bus
7-29.
Changes to input and output control and
data signal voltages are functions of which
of the following devices?
1. CPU
2. IOA
3. IOC
4. Bidirectional bus
7-30.
The type of connectors for the I/O channels
or ports will be dictated by which of the
following factors?
1.
Interfacing
2.
Serial I/O
3.
Parallel I/O
4.
Voltage levels
7-31.
The driver circuits are used for which of
the following tasks?
1. To pass data to the IOC
2. To seticlear output registers
3. To pass interface signals to the IOC
4. To pass interface and data signals to
the external equipments
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