Q.1

A 64-bit word consists of ________.

  • 4 bytes
  • 8 bytes
  • 10 bytes
  • 12 bytes
Q.2

EEPROM and Flash memory are electrically erasable.

  • True
  • False
Q.3

When the term RAM is used with semiconductor memories, it usually means ________ as opposed to ROM.

  • Random-Access Memory
  • Read/Write Memory (RWM)
  • flash memory
  • temporary storage
Q.4

The number of 16k × 4 memories needed to construct a 128k × 8 memory is ________.

  • 4
  • 8
  • 12
  • 16
Q.5

A FIFO ________.

  • allows data to be clocked in and out at different clock rates
  • outputs the data in the same order that it was input
  • can be used to smooth out bursts of data into a continuous stream
  • All of the above
Q.6

A typical RAM will read (place stored data on its outputs) whenever the Chip Select line is active and the Write Enable line is inactive.

  • True
  • False
Q.7

Read-only memory is memory ________.

  • that has unlimited storage capacity
  • whose data can never be altered by the user
  • that must be refreshed periodically or it will lose storage
  • that maintains storage as long as power is applied
Q.8

ROM is a type of memory in which data are stored permanently or semipermanently.

  • True
  • False
Q.9

A nibble is a group of eight bits.

  • True
  • False
Q.10

Dynamic RAMs store information by using ________.

  • magnetism
  • flip-flops
  • latches
  • capacitors
Q.11

The minimum number of address lines needed for a 64K memory is ________.

  • 10
  • 12
  • 14
  • 16
Q.12

PROMs are programmed by ________ fuses.

  • zapping
  • blowing
  • charging
  • inputting
Q.13

A group of 6 bits is also known as 1 byte.

  • True
  • False
Q.14

A ________ is user-programmable memory that cannot be erased and reprogrammed.

  • ROM
  • EPROM
  • EEPROM
  • PROM
Q.15

EEPROMS can be electrically erased and reused.

  • True
  • False
Q.16

Fusible-link PROMs are programmed by removing the desired fuse links using a microscope and tweezers.

  • True
  • False
Q.17

Address multiplexing is used to reduce the number of address lines.

  • True
  • False
Q.18

The EPROM is strictly a MOS device.

  • True
  • False
Q.19

The smallest unit of binary data is the ________.

  • bit
  • nibble
  • byte
  • word
Q.20

When more than one IC is used to provide all the addressable locations in a memory, a technique called ________ is used to identify which IC is being accessed.

  • address decoding
  • memory refresh
  • data encoding
  • memory paging
Q.21

The periodic recharging of dynamic RAM memory cells is called ________.

  • reinstalling
  • revitalizing
  • refreshing
  • reinstating
Q.22

The 2147 4K × 1 static RAM contains 4096 storage locations storing one bit each. ________ 2147 RAM memory chip(s) is/are needed to configure an 8K × 8 memory.

  • One
  • Four
  • Eight
  • Sixteen
Q.23

A CD-ROM is a form of read-only memory in which data are stored as ________.

  • magnetic "bubbles"
  • magnetized spots
  • "pits" on an optical disk
  • tiny "pinholes" in an opaque substance
Q.24

When a computer is executing a program of instructions, the CPU will ________ memory locations as dictated by the program instructions.

  • format
  • scan
  • store data into
  • verify
Q.25

Erasing or programming a flash memory device is a one-step operation.

  • True
  • False
Q.26

A device that needs constant refreshing to avoid losing data is a(n) ________.

  • SRAM
  • DRAM
  • ROM
  • EPROM
Q.27

DRAM uses a cross-transistor configuration.

  • True
  • False
Q.28

When a computer is executing a program of instructions, the CPU continually fetches information from those locations in memory that contain (1) the program codes representing the operations to be performed and (2) the data to be operated upon.

  • True
  • False
Q.29

PROMs are basically the same as mask ROMs, once they have been programmed.

  • True
  • False
Q.30

A term often used commercially to refer to read/write memory is sequential-access memory.

  • True
  • False
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