What is the primary difference between lossy and lossless compression?

Lossy compression reduces file size by permanently eliminating some data.

What is a key concern in network security?

Preventing unauthorized access and data breaches

What is the purpose of system utilities?

To perform maintenance tasks and manage system resources

What is a network protocol?

A set of rules for communicating between computers

What is the primary function of a network protocol?

To define rules for communication between devices on a network

What is file defragmentation?

Reorganizing fragmented files on a disk to improve access speed

What is the primary difference between ASCII and Unicode?

ASCII 128 character, while Unicode use over 1 million

What is a potential consequence of unethical behaviour related to computing?

Legal ramifications and loss of trust

studbud

Quiz - All CS - 21 questions

21 termsStudBud Administration55 plays

Paper 1 general quiz

Flashcards21 cardsFPractice quizPHost liveL

Questions 21

Answers

1
What is the primary difference between lossy and lossless compression?
Lossless compression reduces file size without losing any data.
Lossless compression is reversible.
Lossy compression retains all data but may not achieve as much compression.
Lossy compression reduces file size by permanently eliminating some data.
2
Which component of a CPU is responsible for temporarily storing frequently accessed data and instructions?
CU (Control Unit)
Cache
ALU (Arithmetic Logic Unit)
Registers
3
Which numbering system uses only two symbols, 0 and 1?
Decimal
Binary
Octcal
Hexadecimal
4
Convert the binary number 1011011 to denary
91
92
89
90
5
Which of the following is an example of open-source software?
Adobe Photoshop
Oracle Database
Linux operating system
Microsoft Office
6
In the hexadecimal numbering system, what does the symbol "A" represent in decimal?
9
11
10
12
7
What is a common ethical issue related to computing?
Environmental pollution
Privacy and security
Patent laws
Cultural diversity
8
1What does CPU stand for in computer science?
Central Programming Unit
Centralized Processing Utilit
Central Processing Unit
Computer Processing Unit
9
What is a key concern in network security?
Reducing network latency
Maximizing network bandwidth
Increasing network speed
Preventing unauthorized access and data breaches
10
Which type of software manages computer hardware and provides a platform for running software applications?
System software
Application software
Utility software
Firmware
11
What is hexadecimal numbering system based on?
Base 2
Base 16
Base 12
Base 10
12
What is the purpose of system utilities?
To perform maintenance tasks and manage system resources
To enhance system security
To provide a platform for running application software
What is the purpose of system utilities?
13
What is 49 in binary?
110011
101010
110001
110101
14
What is a network protocol?
A set of rules for communicating between computers
A type of wireless network
A security measure for networks
A type of storage device
15
Which of the following is a common wireless network security protocol?
TCP
HTTP
WPA2
SMTP
16
What is the primary function of a network protocol?
To manage network hardware
To enhance network sercurity
To provide a platform for running application software
To define rules for communication between devices on a network
17
Which component of a CPU performs arithmetic and logical operations?
ALU (Arithmetic Logic Unit)
ALU (Arithmetic Logic Unit)
ALU (Arithmetic Logic Unit)
Register
18
What is file defragmentation?
Encrypting files to enhance security
Compressing files to reduce their size
Deleting unnecessary files from a computer
Reorganizing fragmented files on a disk to improve access speed
19
Which of the following is an example of secondary storage?
SSD (Solid State Drive)
RAM (Random Access Memory)
CPU (Central Processing Unit)
Cache memory
20
What is the primary difference between ASCII and Unicode?
ASCII characters only, Unicode is primarily
ASCII 8 bits , while Unicode 16 bits
ASCII variable-width, while Unicode fix-width.
ASCII 128 character, while Unicode use over 1 million
21
What is a potential consequence of unethical behaviour related to computing?
Legal ramifications and loss of trust
Higher market shares for techolocal companies
Improved system performance
Increased network speed

Quiz - All CS - 21 questions Flashcards | StudBud