COMPUTER AWARENESS - MEMORY MCQS SET 69

COMPUTER AWARENESS - MEMORY MCQS SET 69

1. How many 1K × 4 RAM chips would be required to build a 1K × 8 memory system?
A.2        B.4        C.8        D.16
Answer: Option A

2. Which of the following memories uses a MOS capacitor as its memory cell?
A.SRAM            B.DRAM        C.ROM            D.FIFO
Answer: Option B

3. Which of the following faults will the checkerboard pattern test for in RAM?
A.Short between adjacent cells                B.Ability to store both 0s and 1s
C.Dynamically introduced errors between cells        D.All of the above
Answer: Option D

4. On a CD-ROM, ________ are raised areas representing a 1.
A.mounds        B.lands            C.holes            D.pits
Answer: Option B

5. The location of a unit of data in a memory array is called its ________.
A.storage        B.RAM        C.address        D.data
Answer: Option C

6. On a CD-ROM, ________ are recessed areas representing a 0.
A.mounds        B.lands            C.holes            D.pits
Answer: Option D

7. Why is a refresh cycle necessary for a dynamic RAM?
A.to clear the flip-flops                B.to set the flip-flops
C.The refresh cycle discharges the capacitor cells.
D.The refresh cycle keeps the charge on the capacitor cells.
Answer: Option D

8. Which is not a magnetic storage device?
A.Magnetic disk        B.Magnetic tape        C.Magneto-optical disk        D.Optical disk
Answer: Option D

9. The time from the beginning of a read cycle to the end of tACS or tAA is referred to as:
A.access time        B.data hold        C.read cycle time        D.write enable time
Answer: Option A

10. Which of the following memories is volatile?
A.ROM        B.EROM        C.RAM            D.Flash
Answer: Option C