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WorksheetsYear 11 January Recap
Total questions: 50
Worksheet time: 25mins
Inside the CPU, you will find:
ALU, CU, registers, cache memory
ADU, PC, storage, RAM memory
ARM, PC, controller, cache memory
APM, CU, time signal, RAM memory
The CPU is the (a) of the computer.
The ALU....
does any maths or logic problems for the CPU
stores data inside the CPU
sends out control signals for the CPU
holds specific data for the fetch-decode-execute cycle
The cache memory...
does any maths or logic problems for the CPU
stores frequently used instructions close to the CPU
sends out control signals for the CPU
holds specific data for the fetch-decode-execute cycle
The registers...
do any maths or logic problems for the CPU
store data inside the CPU
send out control signals for the CPU
hold specific data for the fetch-decode-execute cycle
The MAR stores the (a) of data which is either being sent to or fetched from the RAM.
The MDR holds the (a) which is being sent to/fetched from the address in the MAR.
The PC holds the address of the next (a) which will be fetched.
The main purpose of the CPU is to run the _____-______-_______ cycle.
Please include the hyphens in your answer
(a)
The first stage of the Fetch-Decode-Execute cycle is:
The next instruction is fetched from the RAM
The instruction is decoded so that it can be done
Any processing is done using the ALU
The PC is incremented
The second stage of the Fetch-Decode-Execute cycle is:
The next instruction is fetched from the RAM
The instruction is decoded so that it can be done
Any processing is done using the ALU
The PC is incremented
The third stage of the Fetch-Decode-Execute cycle is:
The next instruction is fetched from the RAM
The instruction is decoded so that it can be done
Any processing is done using the ALU
The PC is incremented
Select the registers. [3]
ALU
MDR
ACC
PC
CU
Which of these is Non-Volatile
RAM
ROM
Registers
Virtual Memory
Function of RAM
Bootstrap
Currently Used Instructions
BIOS
Memory Management
Which of these is attached to the CPU?
Cache
RAM
Operating System
What is the backup of RAM?
Virtual Memory
Operating System
What type of storage is a DVD?
Magnetic
Solid State / Flash
Optical
What type of storage is a USB memory stick?
Solid State / Flash
Optical
Magnetic
What type of storage is an SSD?
Magnetic
Optical
Solid State / Flash
Which of the following types of storage would it be possible to access data the quickest on?
Solid State / Flash
Magnetic
Optical
Which of the following types of storage is the most expensive per GB?
Solid State
Magnetic
Optical
Which type of storage uses lasers to read the data?
Magnetic
All types
Solid state
Optical
Which of the following are volatile?
RAM
Secondary Storage
ROM
Hard Disk
Which statement is true?
ROM contains the operating system
RAM is part of the hard disk
RAM stores programs / data used by the CPU
ROM is volatile
Volatile memory...
Retains any stored data when there's no power
Loses any stored data when there's no power
Which of these is a characteristic of a LAN?
It covers a wide geographical area
Computers are connected together using a leased line or a satellite
User can share files and peripherals
Data can only be transmitted at a slow rate
Which of these statements is true?
A client-server network has a central computer that provides services to the rest of the network
A client-server network is cheap and easy to set up
A client-server network cannot be used to share files
Each computer on a client-server network is maintain separately
Which of these is the correct definition of a router?
Forwards data packets along a network
Corrects errors that are found in data packets
A type of transmission media that provides the greatest bandwidth
A server within a network
Which transmission media is capable of having a much higher bandwidth?
Coaxial
Twisted pair cable
Plastic
Fibre optic
What is the purpose of Ransomware?
they generate advertising Pop Ups
They allow a hacker to take control of a system
They allow a hacker to collect personal data from a computer
They disable a system and demand money to release it.
What is the purpose of Spyware?
they generate advertising Pop Ups
They allow a hacker to take control of a system
They allow a hacker to collect personal data from a computer
They disable a system and demand money to release it.
Click on two ways to prevent a virus from infecting your computer
have a strong password
Install and regularly update Anti-virus Software
Do not click on any links in an email
keep the door to your room locked
Use CCTV cameras
What is a trojan horse?
A virus that pretends to be something that the user wants or needs
A bot that logs onto your computer
A piece of software that records and collects user's keystrokes
A mistake made in a piece of software's code
A cyber attack that attempts to bring down a system by flooding it with traffic is known as a......
Pharming
Phishing
Denial of Service Attack
Brute Force Attack
Question 1: What network has the server placed in the centre and the devices
around it? (1-4)
Ring
Bus
Star
Mesh
What is a network
A stand alone computer
Two or more interconnected computers
A computer without a server
Is the object in the image....
An Embedded System?
General Purpose System?
Not a system?
Is the object in the image....
An Embedded System?
General Purpose System?
Not a system?
Instructions carried out one after another in order is a...
List
Sequence
Collection
Series
A named value that can be changed while the program runs is called a...
number
sequence
choice
variable
While the program is running, if the program makes a choice if it should run some code or not, it is called a...
variable
sequence
selection
mistake
When a program repeats, looping over the same sequence, it is called...
iteration
a variable
an instruction
