Q2 Flashcards
Which architecture had two data and program buses?
Harvard
T/F - Today modern computers follow the Modified Harvard Architecture
True
According to the lecture, the order of the booting process is:
Power button, POST, MBR, NTLD (Operating System)
Which cache’s sit on the CPU in modern computers?
L1, L2, and L3
According to the lecture, what sort of computer uses a terminal? (Keyboard and monitor?)
Mainframe
Which one of these components is not on the motherboard
Keyboard
Ram Slot
BIOS
Power Supply
Power Suppy
What is a core processor?
A physical processing unit that runs independently inside of a CPU
According to the lecture, which of the following key is used to get to the Phoenix BIOS?
F10
T/F - Both Optical Drives and DVD/CDs are considered secondary storage
True
What are the three parts of the CPU?
Arithmetic Logic Unit, Control, Store/Register
MBR Partition support up to____ TB or less
2
The first sector of a hard drive is
MBR (Master Boot Record)
T/F - These days some CPUs have up to 8 MB of Dynamic RAM
False
T/F - Virtual memory enhances performance by providing greater memory capacity, without the expense of adding main memory. Instead, a portion of a disk drive serves as an extension of the main memory
True
What is a thread?
The smallest instruction that a CPU executes
IDE hard drive has ___ pins and SATA hard drive has ___ pins
IDE 40, Sata 7
T/F - PROM -Programmable Read Only Memory can be altered
False
To alter the programming on an erasable or electronically erasable PROM chip you expose the chip to
ultraviolet rays
a SCSI hard drive has __ to __ pins
50 to 68
What is it called when the hard drive head touches the platter?
Head crash
On a hard drive the tracks are the _______ and the cylinders are the _______
concentric circles on the disk, the vertical platters from the side view
What is the seek time?
The time it takes for the disk arm to move into position over the desired cylinder
What is the rotational delay?
The time it takes for the desired sector to move into position under the head
What is Seektime + Rotational delay?
Access time
How many pins does a IDE floppy drive have? (note - different from IDE drive)
34
T/F - A CD ROM has a spiral track as opposed to a hard drive which has a circular track
True
Which RAID number covers disk mirroring?
RAID 1
What is RAID 0? What is it called
Disk Stripe set - Identical data in partitions, increases reading and writing performance.
What is RAID 5? What is it called?
Stripe with parity. Requires 3 or more drives, writes data to each drive horizontally
T/F - Virtual memory is typically implemented using a hard drive; it extends the address space from RAM to the hard drive
True
What type of memory is used for your computer BIOS?
EEPROM
Emulation,.. - Name 2 more virtualization techniques.
Full-virtualization, Para-virtualization
Name 2 types of Hypervisor
Host, Bare Metal
Which type of hypervisor software is slower in performance?
Hosted VMM
NTFS stands for
New Technology File System
After partitioning the drive, you must ______ the drive
Format
In windows, physical disk numbers begin from _, _, _
0, 2, 3
Name the 3 Windows partitioning methods
MBR, GPT, Windows dynamic storage
The first physical sector of every hard drive contains the
MBR
The MBR supports up to _ bootable partitions
4
_ primary parition(s) can be active
1
T/F - You can boot to an extended drive
False
You can have _ extended partitions
1
How many logical partitions can you have within an extended partition?
24
What naming pattern do partitions follow on Windows? What comes first?
Letters of the alphabet. First is C
What does “GUID” in the GUID Partition Table stand form?
Global unique identifier
How many partitions can a GPT handle?
128
What is the theoretical limit of space a GPT can handle?
9 Zettabytes
Unlike MBR/Partition tables, the GPT uses
a GPT header
Name the 2 main Disk partitioning software packages
DiskPart (Windows 2k an dup) and FDISK (Everything else)
What is an operating system?
An operating system is a large program that manages hardware and software resources
Java, .net, Aneroid —————— C, Shell, C++
Which set of languages is OS dependent? Which set is independent?
C, Shell, and C++ are dependent. Java, .net, and Aneroid are independent.
When it comes to program execution, what is the order from hard drive to execution?
Hard drive>Ram>Processor>Ram>execution
Machine language works with ___ and _____ numbers
Binary and hexadecimal
What is this an example of?
MOV EAX,1 SHL EAX, 5 MOV ECX, 8 SUB EAX, EAX
Assembly language
Every operating system has 3 parts, what are they?
Kernel, UI, API layer
What does the Kernel do?
It manages memory, the processor, I/O, and File Management
What does the API layer do?
It allows devices to talk to the OS
What was the first operating system?
Unix
What is a file system?
A system to organize and store data
What does DLL stand for? What are they?
Dynamic Link Libraries. They’re system files, usually system commands like save file, etc.
What is special about NTFS?
You can apply access permissions on the files
For partitions, all of Windows supports ___, but not all of Windows supports ___
MBR, GPT
You must have _ TB of space to have a GPT partition
2TB
The file structure in windows is a ________
Hierarchy
What are the illegal file name characters in Windows?
\/?:*><|
What is the sector size of an NTFS file system?
4KB
No clue what this means but remember NTFS and the number 11
NUMBER 11! NTFS!
CTRL+ESC
Displays the start menu
ALT+ESC
Cycles through items in the order that they have been opened
ALT+ENTER
Open the properties for the selected object
ALT+SPACE
Displays system menu for active window (Lets you minimize, maximize)
Windows explorer shorcuts: F2, F3, F4
F2 - Rename object
F3 - Search
F4 - Display address bar list
Windows explorer shortcuts: F6
F6 - Cycle through screen elements in a window (sort of like tab by itself)
Windows explorer shortcuts: Shift+F10, Shift + delete
Shift + F10 - Display shortcut menu for selected item
Shift+Delete - Delete selection immediately, skipping recycle bin
Which of the following attempts to capture personal data including
passwords, SIN numbers, and bank accounts through deception?
Worm
Trojan
Virus
Phishing
Phishing
which key combination do you use to get into the Windows settings Screen?
Windows key + I
Electronic Recycling is also known as
Urban mining
How many tons of E-waste is produced each year?
50 million
When was the WEEE (Waste electrical and Electronic Equipment) program established?
2009
When electronics are not recycled they are shipped to which countries?
Options
Japan
China
Haiti
Honduras
Kenya
Ghana
China, Haiti, Ghana
Prompt: Control of Trans-Boundary movements of hazardous wastes
Basel Convention
When did Canada join the Basel Convention?
1989
__ tons of earth must be removed to recover 1 troy ounce of gold
6
Nigerian Widow Scam AKA
419 scam
Parallel ports can send _ bits at a time, serial ports can send _ bits at a time
8 bits, 1 bit
What is the key to access the BIOS/UEFI called?
Name key or Access key
Explain what abstraction means in reference to computer science
Abstraction means the simplification of information from a larger dataset.
“Full Speed Port”. What colour?
USB 1.1, White
“SuperSpeed”, What colour?
USB 3.0, Blue
“Hi-Speed port”, What colour?
USB 2.1, Black
A Hypervisor is also known as a
Virtual Machine Manager (VMM)
Full Virtualization Examples
IBMs VM family, VMWare Workstation
in Full Virtualization the host OS _____ _______
Emulates hardware
OS-Level virtualization Examples
FreeBSD Jails, Solaris, Virtuzzo
OS-Level virtualization Examples
FreeBSD Jails, Solaris, Virtuzzo
