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CS0001- Computing > Past Paper 2022/23 > Flashcards

Past Paper 2022/23 Flashcards

1
Q

What does EB stand for?

A

One Exabyte

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2
Q

What does a typical motherboard contain?

A

CPU, Connectors for Peripheral devices, Storage, Memory, Fans, Battery, Processor Socket

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3
Q

What are the 3 types of bus?

A

Control, Address, Data

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4
Q

3 examples of volatile memory

A

Registers, RAM, Cache

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5
Q

What is commonly included on a processor die?

A

Display processor, Cache, Cores

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6
Q

3 examples of a peripheral device

A

Mouse, Keyboard, Printer

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7
Q

Advantages of Flash Storage

A

Speed, Portability, Reliability, Efficiency, Drive performance, Durability

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8
Q

Disadvantages of Flash Storage

A

Cost, Effectiveness, Physical damages, Lifetime, Editing, Capacity

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9
Q

PCI Express is commonly used for

A

Graphics card and Solid State Storage

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10
Q

What is typically used for internal connections?

A

Serial ATA and PCIe

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11
Q

What is not a key operating system feature?

A

Network Scheduling

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12
Q

What specialised software does the Device Management OS feature interact with?

A

Device Driver

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13
Q

What does Scheduling do in the Operating Systems?

A

Managing what processes cores are running

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14
Q

The BIOS is an example of

A

Firmware

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15
Q

What is the most common type of consumer user interface?

A

Graphical

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16
Q

List the types of networks in ascending order?

A

LAN, MAN, WAN, GAN

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17
Q

A star topology network usually

A

Uses a switch to send data only to a destination and is suitable for home networks

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18
Q

Which is the usual protocol for wireless networks?

A

CSMA/CA

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19
Q

What are the most common network media for home networks?

A

WLAN and Cat5e/Cat6

20
Q

In most networks, an IP address is assigned automatically, what device or software does this?

A

DHCP Server

21
Q

What hardware may be used to extend a single network outside its physical range?

A

Repeater

22
Q

What is a distributed system?

A

A system that runs across multiple machines

23
Q

What kind of network is the Internet?

A

WAN

24
Q

Which connection type has the highest real world speed?

A

Fibre-optic

25
Q

Which 2 protocols form a part of the Transport Layer?

A

TCP and UDP

26
Q

What does HTML stand for?

A

Hyper Text Markup Language

27
Q

What language do most websites use?

A

CSS

28
Q

4 types of Malware

A

Trojan, Virus, Spyware, Worm

29
Q

The Distributed Denial of Service Attacks….

A

Can disable websites or other online services and are usually launched through a botnet

30
Q

An antivirus system is effective against…

A

Viruses and other malwares

31
Q

In a database of cars, a Record refers to….

A

All the data on one car

32
Q

What languages are used with SQL?

A

Data Query Language (DQL), Data Manipulation Language (DML), Data Definition Language (DDL), Data Control Language (DCL)

33
Q

Which data type is used for entering Text?

A

String

34
Q

What are advantages of a relational databases?

A

They help prevent data duplication and are easier to get complicated data subsets

35
Q

Large datasets about people are often desired by companies for…

A

Targeted Advertising and Recruitment

36
Q

Examples of 3rd generation languages

A

Java, C++, Basic, Pascal, Fortran

37
Q

What are flowcharts used for in algorithm design?

A

Visualising how a program works and Demonstrating to stakeholders

38
Q

What are the 2 types of iteration?

A

Loop and Recursion

39
Q

What is the name for the process of turning high level code into machine code

A

Translation

40
Q

What are the differences between a Tier 1 and Access ISP?

A

There’s only a small number of T1, it connects directly to internet backbone and usually deals with other ISPs. Access connects to end users and businesses and it uses standard home delivery connections

41
Q

Benefits on virtual memory

A

More active programs, prevents errors from lack of memory, Faster than restarting applications

42
Q

Drawbacks of virtual memory

A

Slower than memory, Poor memory management creates large delays, Wear on storage drives

43
Q

What is the role of ICANN?

A

Handing out IP address blocks, Domain name registration, Managing Top Level Domains

44
Q

Give 3 types of attacks, what defences are effective at preventing them?

A

Malware and Antivirus. Phishing and Firewall. Hacking and Proxy Server.

45
Q

In OOP, what’s the difference between a Class and an Object? How does inheritance affect this?

A

Class is a template and an Object is an instance of that class. An object will include all the method and features the class inherited.

46
Q

Explain the Hidden Terminals problem in CSMA/CA

A

One terminal can see some but not all other terminals. It indicates and begins to transmit data. Another terminal that cannot see it does the same thing. Terminals which can see both receive incoherent data.

47
Q

Explain the Fetch-Execute Cycle

A

Fetch: Retrieves the instruction from Memory
Decode: Instruction is decoded and stored in instruction register
Execute: Performed by the ALU, using relevant register Program Counter usage

CS0001- Computing (14 decks)

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