Q.1

Select the statement that best describes the fusible-link PROM.

  • user-programmable, one-time programmable
  • manufacturer-programmable, one-time programmable
  • user-programmable, reprogrammable
  • manufacturer-programmable, reprogrammable
Q.2

A(n) ________ is user programmable and can also be erased electronically and reprogrammed as often as desired.

  • PROM
  • ROM
  • EEPROM
  • EPROM
Q.3

A type of read/write memory available with MOS technology is ________.

  • SRAM
  • DRAM
  • both of the above
  • none of the above
Q.4

A DRAM has a RAS and a CAS because ________.

  • the address lines are multiplexed to reduce pin count
  • the RAS determines the operation mode and the CAS enables the tristate outputs
  • the RAS latches in the address and the CAS latches in data
  • None of the above
Q.5

Information that is stored in a mask ROM ________.

  • can be modified by using special equipment
  • is stored by the manufacturer and cannot be changed
  • is lost if power is interrupted
  • can be modified by using special equipment and is lost if power is interrupted
Q.6

Main computer memory is usually DRAM because of its high density and low cost; cache memory is usually SRAM because of its high speed.

  • True
  • False
Q.7

Information stored in an EPROM can be erased by prolonged exposure to ultraviolet light.

  • True
  • False
Q.8

A ROM that allows the user to program data into the chip by permanently opening fusible links is the EPROM.

  • True
  • False
Q.9

RAM is nonvolatile.

  • True
  • False
Q.10

DRAM chips can be combined for larger capacity and word sizes using the same methods as for other memory types.

  • True
  • False
Q.11

More than one bit of data can occupy each memory cell.

  • True
  • False
Q.12

How can UV erasable PROMs be recognized?

  • There is a small window on the chip.
  • They will have a small violet dot next to the #1 pin.
  • Their part number always starts with a "U", such as in U12.
  • They are not readily identifiable, since they must always be kept under a small cover.
Q.13

Floppy disks are organized into concentric rings called ________.

  • tracks
  • arrays
  • sectors
  • cells
Q.14

Flash memories are so called because of the rapid ________ times.

  • read and write
  • format and erase
  • erase and read
  • erase and write
Q.15

RAMs must have a input, in addition to data in.

  • True
  • False
Q.16

A write operation may also be referred to as a "fetch" operation.

  • True
  • False
Q.17

Cache memory is used in high-speed systems.

  • True
  • False
Q.18

Flash memories are frequently used in place of floppy or small-capacity hard disk drives in portable computers.

  • True
  • False
Q.19

What part of a Flash memory architecture manages all chip functions?

  • I/O pins
  • floating-gate MOSFET
  • command code
  • program verify code
Q.20

Dynamic memories, such as the 2118 16K × 1 RAM, have to multiplex the address bus.

  • True
  • False
Q.21

An 8-bit address code can select ________.

  • 8 locations in memory
  • 256 locations in memory
  • 65,536 locations in memory
  • 131,072 locations in memory
Q.22

Eight bits of digital data are normally referred to as a:

  • group.
  • byte.
  • word.
  • cell.
Q.23

Eight bits of digital data are normally referred to as a:

  • byte.
  • group.
  • word.
  • cell.
Q.24

A 64-Mbyte SIMM is installed into a system, but when a memory test is executed, the SIMM is detected as a 32-Mbyte device. What is a possible cause?

  • The memory module was not installed properly.
  • The voltage on the memory module is incorrect.
  • The most significant address line is stuck high or low.
  • The address decoder on the SIMM is faulty.
Q.25

On a CD-ROM, ________ are raised areas representing a 1.

  • mounds
  • lands
  • holes
  • pits
Q.26

How many address bits are required for a 4096-bit memory organized as a 512 × 8 memory?

  • 2
  • 4
  • 8
  • 9
Q.27

How many 2K × 8 ROM chips would be required to build a 16K × 8 memory system?

  • 2
  • 4
  • 8
  • 16
Q.28

CCD stands for ________.

  • capacitor charging device
  • capacitor-capacitor drain
  • charged-capacitor device
  • charge-coupled device
Q.29

Which is not a hard disk performance parameter?

  • Seek time
  • Break time
  • Latency period
  • Access time
Q.30

How many address lines would be required for a 2K × 4 memory chip?

  • 8
  • 10
  • 11
  • 12
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