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WorksheetsJ277 Paper 1 Recap
Total questions: 44
Worksheet time: 22mins
What is the main purpose of the CPU?
To store data permanently
To fetch, decode and execute instructions
To connect to the internet
To provide power to the computer
Which of the following is a component of the CPU?
Hard Drive
Control Unit
Monitor
Keyboard
What is the function of the Control Unit in the CPU?
To store data permanently
To perform arithmetic operations
To send signals to control the flow of data and decode instructions
To connect to external devices
What does the Memory Address Register (MAR) do?
Stores data permanently
Tells the CPU where to locate data in Main Memory
Performs arithmetic operations
Connects to the internet
What is the role of the Program Counter (PC) in the CPU?
To store data permanently
To keep the address of the next instruction to be processed
To perform logical operations
To manage power supply
What is an example of an embedded system?
Desktop Computer
Washing Machine
Laptop
Server
What is the F-D-E Cycle in the CPU?
A cycle for storing data
A cycle for processing instructions
A cycle for connecting to the internet
A cycle for managing power
What is the main purpose of RAM in a computer system?
To store the boot sequence
To store data and programs while they are in use
To store data permanently
To store backup files
Which of the following is a characteristic of ROM?
Volatile
Non-volatile
Used for temporary storage
Requires constant power
What is an advantage of increasing RAM in a computer?
Slower processing speed
More need for virtual memory
Faster computer speed
Increased power consumption
What is a disadvantage of virtual memory?
Increases processing speed
Causes disk thrashing
Reduces storage capacity
Increases RAM usage
Which type of storage is described as having no moving parts?
Optical
Magnetic
Solid State
Tape Drive
Which storage is low cost, portable, not durable and very slow?
Magnetic
Optical
Solid state
What is the smallest unit of data in computing?
Nibble
Byte
Bit
Kilobyte
How many bits are there in a byte?
4 bits
8 bits
16 bits
32 bits
Which character set uses 7 bits to represent characters?
Unicode
ASCII
Binary
Hexadecimal
What does a left binary shift of one place do to a number?
Halves the number
Doubles the number
Quarters the number
Triples the number
What is the smallest element of a bitmap image called?
Vector
Pixel
Byte
Nibble
What is the process called when a file is encoded to use fewer bits than the original file?
Decompression
Encryption
Compression
Conversion
What is a LAN?
A set of connected computers and other devices for sharing resources
A local area network covering a small geographical area
A wide area network covering a large geographical area
A network that relies on a central server
Which of the following is an advantage of using a LAN?
Security issues
Complexity of setup
Easy sharing of resources
High latency
What is the role of a Network Interface Card (NIC)?
To connect different networks together
To allow connection to other devices on the network
To receive and transmit wireless signals
To act as a central server
What is latency in a network?
The maximum amount of data transmitted over a network
The time it takes data to travel from one point to another
The number of users on a network
The type of connection used
What is a characteristic of a Mesh Network?
Cheaper than star network
Full or partial reliance on a central node
Harder to add a device but no single point of failure
Less cabling than star network
What is the most common set of protocols for data transmission over a wired local area network?
Wi-Fi
Bluetooth
Ethernet
SMTP
Which protocol securely transfers webpages?
HTTP
HTTPS
FTP
SMTP
What is the range of Bluetooth technology?
100 meters
50 meters
10 meters
1 meter
Which protocol is used to receive email?
HTTP
SMTP
FTP
POP
What is the main advantage of using layers in networking?
Increases complexity
Reduces the complexity of the problem
Makes devices incompatible
Slows down the network
What is the primary goal of a phishing attack?
To infect computers with malware
To gain unauthorized access to a network
To deceive individuals into providing personal information
To overload a server with traffic
Which of the following is a method used to decode encrypted data by trying every possible combination?
SQL Injection
Brute Force Attack
Phishing
Zero Day Attack
What is a common consequence of a (D)DOS attack?
Theft of data
Loss of access to a service for customers
Access to corporate systems
Disclosure of corporate data
Which of the following is a preventive measure against malware?
Using strong security software
Validation on text boxes
Encryption and using virtual networks
Network lockout policy
What is SQL Injection primarily used for?
To steal usernames and passwords
To view or change data in a database
To encrypt data
To create a fake website
What is the primary function of systems software?
To enable the user to perform tasks and create content
To control the hardware of the computer
To provide entertainment software
To manage internet connections
Which of the following is a feature provided by an operating system?
Web browsing
Multitasking
Video editing
Graphic design
What does a Command Line Interface (CLI) primarily use?
Icons and menus
Spoken language
Text-based commands
Touch input
Which utility software uses an algorithm to scramble plain text into cipher text?
Compression
Defragmentation
Backup
Encryption
What is the role of device drivers in an operating system?
To manage user accounts
To translate operating system instructions into commands for hardware
To provide internet security
To organize files in folders
What is one computing concern of personal privacy issues ?
Increased freedom of expression
Decreased amount of data shared
Growing amount of data recorded about us
Less government involvement
What is a positive effect of technology on cultural issues in developing countries?
Increased cultural awareness and diversity
Loss of cultural identity
Challenges of inequality
Westernised world assimilation
What is a potential impact of digital technology on local communities?
Increased local services
More employment opportunities
Town centres becoming more empty
Decreased importance of data protection
According to the Data Protection Act (2018), how must data be processed?
Randomly and without transparency
Lawfully, fairly, and in a transparent manner
Only by government officials
Without any specific guidelines
What is a characteristic of open source software?
Users cannot modify the software
Usually paid for and licensed per user
Users can modify the source code and distribute the software
No access to the source code
