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WorksheetsA-Level Computing AQA Revision Quiz
Total questions: 38
Worksheet time: 20mins
What defines a star topology
all nodes in the network are connected directly to a central cable that runs up and down the network
each node connects to exactly two other nodes, forming a single continuous pathway for signals through each node
all nodes indirectly connect to each other through one or more switches
What is a bus topology
all nodes in the network are connected directly to a central cable that runs up and down the network
all nodes indirectly connect to each other through one or more switches
each node connects to exactly two other nodes, forming a single continuous pathway for signals through each node
What is a MAC address
a unique number that identifies the actual device that is connected to the internet or network.
Identifies a network or a particular computer connected to TCP/IP
The address of the nearest Mac shop
The location of internet information
What is an IP address
An address for a website
a unique number that identifies the actual device that is connected to the internet or network.
The address where protocols are located
Identifies a unique computer connected to a TCP/IP
What is packet switching
it examines the payload of a packet before allowing access.
the packets are sent one after the other along a pre-established route.
Packets of data are inspected by the firewall
Packets are sent different routes to get to the computer.
What is Asymmetric encryption
uses the same key to encrypt and decrypt.
Uses separate but related keys.
What is symmetric encryption
uses the same key to encrypt and decrypt.
Uses separate but related keys.
What is a compiler
Translates programs into machine code
translates high-level Instructions line by line into an intermediate form, which it then executes.
Responsible for ensuring that processor time is used as efficiently as possible.
a program that translates a high-level language into object code.
What is the interpreter
translates high-level Instructions line by line into an intermediate form, which it executes.
Communicates with IO devices
A PC allows many processes to run at the same time.
a program that translates a high-level language such as visual-basic into object code.
What is the Operand
Communicates with IO devices
translates high-level Instructions into an intermediate form
The memory location of the opcode
The memory location of the bytecode
What is opcode
The instructions the code can perform in the operand
The instructions the code can perform in the CPU
The instructions the code can perform in the RAM
The instructions the code can perform in the bus
What does the registry cleaner do
a database pointing to resources needed to run software.
Reduces the size of the data by compressing it.
it re-orders the sectors of a magnetic hard drive
Responsible for ensuring that processor time is used efficiently
What does the disk defragmenter do
Reduces the size of the data by compressing it.
allows the you to automate and schedule when the back up happens.
a database pointing to resources needed to run software.
it re-orders the sectors of a magnetic hard drive
What is primary storage
non-volatile and refers to things like HDDs or SDDs
volatile and refers to RAM
What does the ALU do
Results from the ALU are stored.
The part of the processor that coordinates the activity of all other components.
A series of regular ON/OFF signals that are used to synchronise the operations of the processor components.
The problem solving part of the processor.
Which of these are effective strategies for managing memory on a PC? (choose as many as are appropriate)
Increasing the amount of RAM in your computer
Buying a larger hard drive
Closing down unused programs
Installing a faster CPU
1.Which of the following Act of Parliament states that it is illegal to make any unauthorised access to computer material to modify it?
A.Computer Misuse Act (1990)
B.Freedom of Information Act (2000)
C.Communications Act (2003)
D.Data Protection Act (1998)
3.Which of the following Act of Parliament states that it is a crime to use offensive language in social media?
A.Computer Misuse Act (1990)
B.Freedom of Information Act (2000)
C.Communications Act (2003)
D.Data Protection Act (1998)
4.Data related to which of the following purpose is an exemption to the Data Protection Act?
A.National security
B.Domestic purposes
C.Taxation
D.All of the above
A type of OS which can run on a standalone PC (or other device) and supports the use of running more than one job simultaneously
Distributed
Multi-tasking
Embedded
Real-time
A type of OS which is used inside in range of hardware, including "Internet of Things" devices
Distributed
Multi-tasking
Embedded
Real-time
What is a MNEMONIC?
A single action that can be performed by a computer.
A symbol that represents an instruction in assembly code.
A high level language keyword.
A register used inside a CPU A register used inside a CPU.
What type of error occurs while the program is running?
Syntax
Logic
Runtime
System
Alpha testing takes place....
In-house
With selected outside users
True or False: OS software is governed by the Open Source initiative
TRUE
FALSE
True or False: It is easier to install patches, updates etc with Close Source software
TRUE
FALSE
True or False: Closed Source software is sold without usage restrictions
TRUE
FALSE
True or False: Uses of freeware have access to the source code
TRUE
FALSE
The image shows a machine code instruction. What term is used to describe the circled area?
Operand
Mnemonic
Opcode
Compiler
What does IDE stand for?
Intelligent Development Environment
Integrated Design Environment
Intelligent Development Environment
Integrated Development Environment
The image shows a machine code instruction. What term is used to describe the circled area?
Operand
Mnemonic
Opcode
Compiler
Here are two lines from an assembly language program. What is the correct term to describe the contents of the area with the red border?
Operands
Mnemonics
Memory locations
Machine Code
