OCR GCSE Paper 1 (Quiz 1)

1. Question

What is meant by the term ‘clock speed’ when discussing the CPU?

The speed at which it collects data along the data bus from the RAM.
The time a CPU takes to perform one Fetch-Decode-Execute cycle.
The time it takes for the CPU to decode an instruction.
The number of Fetch-Decode-Execute cycles the CPU can complete in one second.
The speed at which the CPU can read the cache.
The number of Fetch-Decode-Execute cycles the CPU can complete in one minute.

2. Question

Which stage of the CPU processing cycle is being described here: “instructions are carried out on the data”?

Encode
Fetch
Extract
Decode
Encrypt
Process
Execute

3. Question

What is a ‘register’ when discussing CPU’s?

It is a list that the CPU’s control unit uses as a checklist during each Fetch-Decode-Execute cycle.
It is the component which transports data from the RAM to the CPU.
It is the name given to the part of the CPU’s clock which is responsible for maintaining its speed.
It is a memory location inside the CPU.

4. Question

What is the advantage of cache memory?

It can supply data/instructions at high speed, keeping up with the demand of the CPU.
It is large in capacity and has fairly good data transfer speeds.
Being close to the CPU it can reduce the need for long data and address bus components.
It adds extra storage capacity for new programs, documents and media files.

5. Question

Where are data and instructions taken from during a CPU processing cycle?

The ROM
The Hard Drive
The Motherboard
The Flash Drive
The RAM
The GPU

6. Question

Which register is responsible for storing the ‘address’ of the next instruction required by the CPU?

The Accumulator
The Program Counter
The Memory Address Register
The Instruction Register
The Memory Data Register

7. Question

The term given to devices which store applications and files and do not directly supply the CPU with data/instructions, is known as…

Primary Storage
Secondary Storage

8. Question

This type of memory enables the computer to continue to function (albeit slower) if too many programs are open and in use at the same time.

ROM
RAM
Hard Disk
Virtual Memory
USB Flash Drive
Optical Storage Media
Cache Memory

9. Question

Volatile memory is…

…memory that does not require a supply of electricity to store data.
…memory that requires a supply of electricity to store data.

10. Question

What is the purpose of the ROM?

To store the boot-up scripts.
To store a users documents and media files when the computer is not in use.
To store the data of the programs that are currently in use.
To store the data and instructions that the CPU is likely to reuse.

11. Question

USB memory sticks and SD cards all use which type of storage technology?

Optical
Magnetic
Solid State (Flash)

12. Question

Flash memory technology works by…

…sending a large electric current to force electrons through a barrier and trapping them in position.
…using a laser to burn ‘pits’ into a shiny surface (‘land’).
…using magnetisation to form different patterns in magnetisable material.

13. Question

An upgrade of this type of memory will mean that the computer will be more efficient at multi-tasking as more programs will be able to run simultaneously.

ROM
RAM
Hard Disk
Virtual Memory
USB Flash Drive
Optical Storage Media
Cache Memory

14. Question

Which topology is being described? “All cables connect to a hub or a switch and therefore data doesn’t share one cable, which results in fewer data collisions and therefore a faster network. However, this is a very expensive topology as it requires a lot of cable”

Star
Server-Client
Mesh
Peer-to-Peer
Bus
Ring

15. Question

Tick the 4 different devices required to set up a LAN.

A hub / switch.
A router.
Network Interface Cards (NICs – installed inside each computer).
Data transfer media (cables / wireless).
A wi-fi dongle.
A firewall.
At least 2 computers.
An antenna.

16. Question

Select the device being described. “This device converts the data signals from a nodes into data signals that can be transferred across the network”.

A node
A router
A network interface card
A hub
A switch
Data Transfer Media

17. Question

Which statement best describes the internet?

A network of networks.
A vast collection of webpages/websites.
A network which connects all mobile devices allowing phone calls and text messages.

18. Question

What is an ISP?

The company that provides a connection to the internet.
Another name for a web address.
A unique number given to every computer connected to the internet.
A system which exchanges a worded web address for a numerical web address.
Computers which stores a website and allow users to access it using the internet.

19. Question

Which statement describes a virtual network?

A network which uses software to re-divide a wide area network into a series of smaller networks.
A network of servers hosted on the internet which offer a range of services to store and process data.
A network which uses software to re-divide a local area network into a series of smaller networks.
A network which uses software to subdivide a physical network (LAN or WAN) into smaller ones.

20. Question

This data transfer medium “uses pulses of electricity to transport data”.

Ethernet Cables
Fibre Optic Cables
Wi-Fi

21. Question

Tick all of the structures that you would find on a data packet.

Data
Packet Weight
Destination Address
Return Address
Packet Route
Sequence Number
Data Translator
Error Check

22. Question

POP, IMAP and SMTP are all examples of protocols relating to…

FTP (file downloading/uploading)
Email
Webpages / Websites
VoIP
Media Streaming

23. Question

“Experts try to simulate a range of network attacks (such as Denial of Service attacks (DoS), SQL injections and Brute Force Attacks) in an attempt to discover any weaknesses in the system “…is an example of what security method?

Encryption
Network Forensics
Penetration Testing
Firewall
Network Policies

24. Question

“The art of ‘bolting on’ some ‘database query instructions’ to the end of a password, which will allow access the accounts of other users”. Which threat is being described here?

Malware
Phishing
People as a ‘weak point’
Brute Force Attacks
Denial of Service Attacks
Virus
Data Interception / Theft
SQL Injections
Poor Network Policies
Spyware

25. Question

“Software, which is specifically designed to cause physical harm to a computer system”. Which threat is being described here?

Malware
Phishing
People as a ‘weak point’
Brute Force Attacks
Denial of Service Attacks
Virus
Data Interception / Theft
SQL Injections
Poor Network Policies
Spyware

26. Question

Which statement best defines the term ‘Interface’?

A desktop environment.
The coming together of two (or more) systems and/or people.
An umbrella term covering all communication devices found in a computer.
The devices allowing humans to use computer systems.

27. Question

Which statement best describes the ‘Kernel’?

It is the name given to the control unit found in a CPU which the operating system makes use of when multi-tasking processes.
It is the interface which allows applications and computer devices to communicate with one another.
It is a small program flashed onto a computer chip which enables the loading of the operating system.
It is the heart of all applications, responsible for ensuring correct functionality, whatever the hardware of the computer.

28. Question

“Offering only a limited number of computer functions, from which the user can choose”…is an example of which user interface?

Command Line
Graphical User Interface
Menu Driven
Natural Language

29. Question

“Reduces the size of files”…describes which type of utility software?

Encryption Software
Backup Software
Compression Software
Formatting Software
Defragmentation software

30. Question

“Scrambles data before being sent across a network”…describes which type of utility software?

Encryption Software
Backup Software
Compression Software
Formatting Software
Defragmentation software

31. Question

“When data is temporarily removed from the file, but added back (rebuilt), when the file is to be used again”…is an example of which type of compression?

Lossy
Lossless

32. Question

Which law deals with issues surrounding ‘the use of people’s data’?

Data Protection Act (1998)
Computer Misuse Act (1990)
Creative Commons Licencing
Freedom of Information Act (2000)

33. Question

“How technology impacts the environment and how environmental issues affect technological progress” describes which type of issue?

Ethical Issues
Legal Issues
Cultural Issues
Environmental Issues
Privacy Issues

34. Question

Which law deals with issues surrounding ‘hacking’ and ‘viruses’?

Data Protection Act (1998)
Computer Misuse Act (1990)
Creative Commons Licencing
Freedom of Information Act (2000)

OCR GCSE J276 (Premium)