what is sampling resolution

Sampling resolution is the number of bits required per sample

Sampling resolution indicates the frequency range of a signal.

Sampling resolution is the number of samples taken per second.

Sampling resolution refers to the duration of a signal.

The number of samples taken per second from a signal.

The frequency of a signal in hertz.

The total duration of a recording.

The amplitude of the signal at a given time.

why do we use data compression?

to save storage space, reduce transmission time, and improve data management efficiency.

To eliminate the need for data backups

To make data unreadable to unauthorized users

To increase file size for better quality

what is NOT true about lossy file compression?

Lossy compression retains all original data.

Lossy compression reduces file size without losing any data.

Lossy compression is used for lossless audio formats.

Lossy compression is preferred for archiving important documents.

what is the definition of pixel?

A pixel is the smallest unit of a digital image or display.

A pixel is a measurement of screen size.

A pixel is a color palette used in graphic design.

A pixel is a type of computer virus.

What are the FOUR main functions every computer does?

Input Memory/Storage Process Output

Input Process Memory/Storage Output

Input Memory/Storage Process Input

Output Memory/Storage Process Output

What is a touchscreen?

a display device which allows the user to interact with a computer by touching areas on the screen.

a place where, or a device through which, energy or information enters a system

What does CPU stand for?

California Presbyterian University

Parity check is a method for error detection in data transmission.

Parity check is a method for data encryption.

Parity check is used for data compression.

Parity check is a technique for data storage.

what are data packets?

Data packets are formatted units of data transmitted over a network,

Data packets are only used for storing data on hard drives.

Data packets are physical devices used to connect networks.

what is packet switching?

Packet switching is a method of transmitting data by breaking it into packets that are sent independently over a network.

Packet switching is a method of sending data in a continuous stream.

Packet switching involves sending entire files at once without breaking them down.

Packet switching is a technique used only in wireless communication.

Data transmission is the process of sending and receiving data between devices.

Data transmission refers to the storage of data in a database.

Data transmission is the process of analyzing data for insights.

Data transmission involves the physical destruction of data.

There are 3 types of transmission directions

Simplex data transmission Half-duplex data transmission Full-duplex data transmission

types of data transmission

Serial data and parallel data transmission

Unidirectional and bidirectional transmission

Wireless and wired transmission

what is true about serial data transmission

Serial data transmission is efficient for long distances and uses a single channel to send data bits sequentially.

Serial data transmission is faster than parallel transmission.

Serial data transmission is only suitable for short distances.

Serial data transmission requires multiple channels to send data simultaneously.

what is true about parallel data transmission?

parallel data transmission is faster than serial data transmission

Parallel data transmission sends one bit at a time, reducing speed.

Parallel data transmission is only used in wireless communication.

Parallel data transmission requires more power than serial transmission.

purpose of encryption

The purpose of encryption is to secure data from unauthorized access.

To enhance data speed during transmission.

To create backups of data automatically.

To make data accessible to everyone online.

Cache is a storage layer that improves data retrieval speed by storing copies of frequently accessed data.

Cache is a type of computer virus.

Cache is a programming language.

Cache is a hardware component that stores data permanently.

RAM provides temporary storage for data and instructions that the CPU uses during operation.

RAM stores data permanently for future use.

RAM is used to cool down the CPU during operation.

RAM is a type of hard drive that saves files.

CIR refers to 'Customer Interaction Rate'

CIR is a type of financial investment

CIR stands for 'Centralized Information Resource'

what is the FDE cycle?

The FDE cycle is the process of Fetching, Decoding, and Executing instructions in a computer.

The FDE cycle refers to the process of formatting disks.

The FDE cycle is a type of computer virus.

The FDE cycle is a method for data storage.

Temperature, pressure, motion, light, proximity sensors.

which statement of HIGH LEVEL LANGUAGES is correct?

High-level languages are user-friendly and abstract away hardware details.

High-level languages are less efficient than assembly languages.

High-level languages are only used for system programming.

High-level languages require extensive knowledge of hardware.

which statement of LOW LEVEL LANGUAGES is INCORRECT?

Low level languages are easier to read and write than high level languages.

Low level languages require less hardware knowledge than high level languages.

Low level languages are primarily used for web development.

Low level languages are more abstract than high level languages.

A compiler is a program that translates high-level code into machine code.

A compiler is a type of hardware used for processing data.

A compiler is a tool for debugging code in real-time.

A compiler is a program that compiles audio files into video.

An interpreter executes code directly, translating it line by line.

An interpreter is a type of programming language.

An interpreter compiles code into machine language.

An interpreter runs code in a separate thread.

The internet is a global network of interconnected computers.

A social media platform for sharing photos.

A local network of printers and scanners.

Identify two items of data contained in a packet header.

Source IP address, Destination IP address

comp sci

Quiz

•

Computers

•

11th Grade

•

Practice Problem

•

Hard

Erickson SINGH

FREE Resource

69 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

what's the uses of binary system

To process data in logic gates/transistors,To store data in registers,

To process data on the computer

Used for timekeeping in analog clocks.

A system for organizing library books.

A method for sorting physical objects.

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

why is hexadecimal used as a beneficial method of data
representation?

Hexadecimal is primarily used for audio data storage.

Hexadecimal is less efficient than binary representation.

Hexadecimal is only used in web design.

Hexadecimal is compact, human-readable, and aligns with computer architecture.

3.

FILL IN THE BLANK QUESTION

5 mins • 1 pt

Convert 101111100001 to hexadecimal

4.

FILL IN THE BLANK QUESTION

5 mins • 2 pts

Convert 45A to binary

5.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

what's the difference between ASCII and unicode?

ASCII is limited to 128 characters, while Unicode supports a much larger set of characters from various languages.

ASCII supports more than 256 characters, while Unicode is limited to 128.

Unicode is a subset of ASCII that includes special symbols and emojis.

ASCII can represent characters from all languages, while Unicode is limited to English.

Unicode uses more bits per character then ASCII

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

what's the purpose of secondary storage

The purpose of secondary storage is to provide more data storage.

To provide temporary data storage.

To enhance processing speed of applications.

To serve as a backup for primary storage.

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

3 type of touchscreen

Voice, Motion, Proximity

Optical, Magnetic, Thermal

Resistive, Capacitive, Infrared

Touchpad, Stylus, Gesture

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what's the uses of binary system

why is hexadecimal used as a beneficial method of datarepresentation?

Convert 101111100001 to hexadecimal

Convert 45A to binary

what's the difference between ASCII and unicode?

what's the purpose of secondary storage

3 type of touchscreen

what is sampling resolution

sampling rate

why do we use data compression?

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why is hexadecimal used as a beneficial method of data
representation?