03 Computer Systems II

Question 1

RAM is _____ memory.

Answer 1

Primary

Question 2

HDD/SSD/ROM is _____ memory.

Answer 2

Secondary

Question 3

Memory Hierarchy:

Answer 3

Registers
Cache
Main memory
Magnetic/ Solid state disk
Tape | Optical disk

Question 4

As you go down the hierarchy, _____, ______,
______.

Answer 4

Access time gets bigger, Storage capacity increases, Bits per dollar increases

Question 5

Different types of Secondary Memory:

Answer 5

Magnetic disks/HDD
SSD
CD
DVD, Blu-ray

Question 6

HDD: a _____ is a circular sequence of bits (512 data bytes) written as the disks completes a rotation.

Answer 6

track

Question 7

The set of tracks at a given radial position is called a _____.

Answer 7

Cylinder

Question 8

Cylinders are divided into zones called _____.

Answer 8

Sectors

Question 9

HDD: The delay caused by positioning the desired sector under the head?

Answer 9

Rotational latency

Question 10

Non-volatile flash memory? Alternative to magnetic disks?

Answer 10

SSD

Question 11

Creator of the flash memory?

Answer 11

Fujio Masuoka

Question 12

SSD: flash disks are made up of many solid-state flash what?

Answer 12

memory cells

Question 13

SSD: is a technique where data is stored in cell that have not been used for a while.

Answer 13

Wear leveling

Question 14

CD stands for?

Answer 14

Compact disc

Question 15

CD: The holes are called _____. The unburned areas are called _____.

Answer 15

pits, lands

Question 16

CD Types:
_____ where the data comes with the CD often used for distribution.
_____, blanks CDs which could be used to store data by the users.
_____, where CDs can store data and delete it to make space.

Answer 16

CDROM, CD-Recordable, CD-Rewriteables

Question 17

DVD stands for? It uses what color of laser?

Answer 17

Digital Versatile Disk, Red

Question 18

Uses Blue laser?

Answer 18

Blu-ray

Question 19

Input Devices:

Answer 19

Buses
Terminals
Mice
Game controllers
Printers
Telecom Equipment
Digital Cameras
Character Codes

Question 20

_____ is a box that contains the CPU, support chips, memory
modules, and I/O connectors.

Answer 20

Motherboard

Question 21

Motherboard: Each I/O has a _____ containing all the electronics integrated directly onto the motherboard. It handles bus access.

Answer 21

Controller

Question 22

Motherboard: A controller that directly accesses the memory without the processor performs _____.

Answer 22

Direct Memory Access (DMA)

Question 23

This causes an interrupt where the processor suspends the current program to run the _____ and check for errors.

Answer 23

interrupt handler

Question 24

A _____ is a chip that decides who would go next if the processor and I/O controller want to use the bus at the same time.

Answer 24

bus arbiter

Question 25

PCI bus stands for?

Answer 25

Peripheral Component Interconnect bus

Question 26

Types of terminals:

Answer 26

Keyboard and monitor
Touchscreens
LCDs

Question 27

Types of Mice:

Answer 27

Mechanical
Optical
Optomechanical

Question 28

Types of Printers:

Answer 28

Laser
Inkjet
Color
Specialty (sublimation/thermal/wax)

Question 29

Connects a computer to the internet via ISP.

Answer 29

Modem

Question 30

Use to digitize photography.

Answer 30

Digital Camera

Question 31

Types of Character Codes:

Answer 31

American Standard Code for Information Exchange (ASCII)
Unicode
UTF-8