ASSIGNMENT 7
Textbook Assignment: “Computer Memories,” chapter 6, pages 6-20 through 6-32; and
“Input/Output (I/O) and Interfacing,” chapter 7, pages 7-1 through 7-20.
7-1. Semiconductor memories are known by all of the
following terms except which one?
1. Read/write memory
2. Scratch-pad memory
3. Random access memory
4. Read-only memory
7-2. Semiconductor memories have which of the
following characteristics?
1. Destructive readout and volatile
2. Destructive readout and nonvolatile
3. Non-destructive readout and volatile
4. Non-destructive readout and nonvolatile
7-3. Each RAM chip contains which of the following
items?
1. One memory cell only
2. One memory cell and the logic to support it
only
3. Large numbers of memory cells only
4. Large numbers of memory cells and the logic
to support them
7-4. On RAM chips, memory cells are organized based
on which of the following factors?
1. Number of memory words only
2. Number of bits per word only
3. Number of memory words and number of bits
per word
4. Number of gate arrays
7-5. The transistors used in flip-flops of static RAM
may be MOS or bipolar. Compared to MOS,
bipolar has what advantage, if any?
1. Higher density
2. Higher access speed
3. Requires less space
4. None, they both have the same advantages
7-6. In a static RAM, the address lines are used to
enable the addressed memory cell flip-flop circuit
by row and column number.
1. True
2. False
IN ANSWERING QUESTION 7-7, REFER TO
FIGURE 6-31 ON PAGE 6-24 OF THE TRAMAN.
7-7. Data is stored into, or read from, the memory cells
of SRAM via a total of how many lines?
1. O n e
2. Two
3. Three
4. Four
7-8. The (a) address lines and the (b) I/O data lines are
usually tied to what buses?
1. (a) Computer or memory system bus
(b) Computer or memory system bus
2. (a) Computer or memory system bus
(b) Data bus
3. (a) Data bus
(b) Computer or memory system bus
4. (a) Data bus
(b) Data bus
7-9. During a SRAM read cycle, what is (a) the status
of the write enable and (b) the mode of the data
buffers?
1. (a) True (b) input
2. (a) True (b) output
3. (a) False (b) input
4. (a) False (b) output
IN ANSWERING QUESTION 7-10, REFER TO
FIGURE 6-32 ON PAGE 6-25 OF THE TRAMAN.
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