7-16.
Compared to RAM, ROM has all of the
same operational characteristics except
which of the following?
1. Allows random access
2. Uses a row/column arrangement
3. Can be read by normal computer
accessing methods
4. Can be written to by normal computer
accessing methods
7-17.
ROM has what primary use?
1. Stores data addresses for recovery
purposes
2. Allows the computer to perform I/O
operations
3. Provides a user interface through a
p a n e l
4. Stores the content of the computer
registers for interrupt processing
7-18.
The acronym BIOS stands for what term?
1. Basic input/output system
2. Bipolar input/output status
3. Binary input/output status
4. Bidirectional input/output system
7-19.
The acronym NDRO stands for what term?
1. Non-destructive readover
2. Non-destructive readout
3. Non-dynamic readover
4. Non-dynamic readout
IN ANSWERING QUESTION 7-20, REFER TO
FIGURE 6-35 ON PAGE 6-28 OF THE TRAMAN.
7-20.
In the example, the ROM chip memory
array has a total of(a) how many decoders
and (b) how many lines are input to these
decoders?
1. (a) 2 (b) 12
2. (a) 2 (b) 13
3. (a) 4 (b) 12
4. (a) 4 (b) 13
7-21.
ROMs may be made of which of the
following materials?
1. Hardwired and magnetic only
2. Fusible links only
3. MOS and bipolar transistors only
4. Hardwired, magnetic, fusible links,
and MOS and bipolar transistors
7-22.
To perform ROM operations, which of the
following circuits are used?
1. Timing and control signals only
2. Registers, flip-flops, and internal
buses only
3. Internal buses, timing, and control
signals only
4. Timing, control signals, registers, flip-
flops, and internal buses
7-23.
Compared to PROM, an erasable PROM
has what additional advantage, if any?
1.
2.
3.
4.
54
It can be used over and over again
without reprogramming
It can be erased and reprogrammed
It can be field programmed by an
authorized technician
None, there is no additional advantage
