MEMORY

Question 1

______ CONSISTS OF ELECTRONIC COMPONENTS

Answer 1

memory

Question 2

What are the functions of that electronic data?

Answer 2

Store instructions waiting to be executed by the processor,

Store data needed by those instructions,

and the results of processing the data

Question 3

What kind of basic category of items does emory store?

Answer 3

1.operating system software and other
system sftwares
2.Applications
software
3. Data being processed and the resulting information

Question 4

What are the 2 kinds of memories contained by mobile or computer devices?

Answer 4

volatile:Loses its contents when power is turned off. Eg: RAM

non-volatile:Does not lose contents when power is removed
eg: ROM, flash memory and cmos

Question 5

What are the 2 common types of RAM

Answer 5

SRAM - static ram
DRAM - dynamic ram

Question 6

data is stored in ______ in DRAM

Answer 6

Capacitors

Question 7

Why is DRAM dynamic?

Answer 7

DRAM is called dynamic as constant change or action i.e. refreshing is needed to keep the data intact.

Question 8

What are the advantages and disadvantages of DRAM?

Answer 8

1.Advantage:Low costs of manufacturing and greater memory capacities.
Disadvantage:Slow access speed and high-power consumption

Question 9

What are some common DRAM variations?

Answer 9

SDRAM,ddr, ddr2, ddr3, ddr4, RDRAM

Question 10

What is SRAM constructed with?

Answer 10

transistors

Question 11

SRAM is ______ in nature as it doe snot require any refreshing to keep data intact

Answer 11

static

Question 12

SRAM is used in _____- memory

Answer 12

cache

Question 13

RAM chips reside on ____

Answer 13

memory module

Question 14

________ memory speeds up the processor of the computer because it stores frequently used instructions and data

Answer 14

cache

Question 15

_______ memory stores info permanently

Answer 15

Read-only memory

Question 16

The BOIS system is stored in te ______ memory

Answer 16

ROM

Question 17

What program needs to be run first when booting a computer?

Answer 17

The BOIS as it loads the OS instruction into the RAM

Question 18

HDD were first introduced in _____

Answer 18

1956 by IBM

Question 19

what are the 3 generations of hard drive discs?

Answer 19

1. PATA
2. SATA
3. SSD

Question 20

_______ memory is a non-volatile type that can be erased and re-written electronically

Answer 20

Flash

Question 21

Why has flash memory become relevant?

Answer 21

High-Speed Performance -
Flash memory provides faster data access and transfer speeds compared to HDDs

Durability and Reliability-
Flash memory has no moving parts, unlike HDDs, which are susceptible to mechanical failures

Low Power Consumption
Flash memory - consumes less power than HDDs because it does not require spinning disks or mechanical components to operate

Compact Size and Form Factor -
Flash memory chips are compact and lightweight

Silent Operation -
Flash memory operates silently, without the noise generated by spinning disks in HDDs.

Non-Volatile Nature -
Flash memory retains data even when power is removed

Question 22

______ is the time taken by the processor to read from the memory

Answer 22

Access time

Question 23

Access time is measured in _____

Answer 23

nanoseconds (one-billionth of a second)

Question 24

In memory hierarchy what is the rule based on which memory is arranged in a hierarchy?

Answer 24

memory capacity is inversely proportional to memory speed

Question 25

What is the memory hierarchy in terms of level or positios of each memory?

Answer 25

0. cpu
1. cache
2. main mem
3. secondary
4. tertiary

Question 26

What are tertiary storage devices?

Answer 26

largest in size and are present at level 4 and also the cheapest. (1-20tb)

Question 27

a ____ allows internal devices and those attached to the system unit to communicate with each other

Answer 27

BUS

Question 28

____ is the number of bits the processor can interpret and execute at any given time

Answer 28

Word size