number system

Question 1

_________ is a way to represent numbers using symbols or digits. In computing, several different. number systems are used, depending on the context.

Answer 1

Number system

Question 2

What are the most common number systems?

Answer 2

binary, decimal, octal, and hexadecimal

Question 3

Each digit in a decimal number is multiplied by powers of 10, depending on its position

Answer 3

Decimal (Base-10)

Question 4

__________ is used by computers, as they operate with two states: ON and OFF represented by 0 and 1.

Answer 4

binary number system

Question 5

It is base-8, using digits from 0 to 7

Answer 5

Octal (Base-8)

Question 6

It is often used to represent binary numbers more compactly

Answer 6

Hexadecimal (Base-16)

Question 7

____________ is a branch of algebra that deals with true and false values, typically represented as 1 and 0 in binary logic

Answer 7

Boolean Algebra

Question 8

In Boolean algebra, it operates using three basic operators, what are they?

Answer 8

• AND (Conjunction)
• OR (Disjunction)
• NOT (Negation)

Question 9

Symbol: * \cdot * or & \&&
The result is true (1) if both operands are true, otherwise, it is false.

Answer 9

AND (Conjunction)

Question 10

Symbol: +++
The result is true (1) if at least one of the operands is true, otherwise, it is false.

Answer 10

OR (Disjunction)

Question 11

Symbol: A‾\overline{A}A or -A\neg A-A
The result is true (1) if the operand is false (0), and vice versa.

Answer 11

NOT (Negation)

Question 12

_________ is the negation of AND. The result is true unless both operands are true.

Answer 12

NAND (NOT AND)

Question 13

The result is true only when both operands are false.

Answer 13

NOR (NOT OR)

Question 14

The result is true when exactly one of the operands is true, but false when both are the same.

Answer 14

XOR (Exclusive OR)

Question 15

The result is true when both operands are the same (either both true or both false).

Answer 15

XNOR (Exclusive NOR)

Question 16

Boolean logic is the foundation of all ________

Answer 16

Digital Circuits

Question 17

In _______, Boolean values are used in conditional statements, loops, and decision-making processes (true/false, yes/no).

Answer 17

Programming

Question 18

Boolean operators like AND, OR, and NOT are used in query languages like SQL to filter ________.

Answer 18

Databases

Question 19

Boolean logic helps refine __________ by including or excluding specific results.

Answer 19

Search engines

Question 20

__________________ refers to the way different components of a computer system are arranged and interact with each other. It encompasses the hardware and software elements that make up a computer and how they work together.

Answer 20

Computer System Organization

Question 21

What are the different Hardware Components?

Answer 21

• Central Processing Unit (CPU)
• Arithmetic Logic Unit (ALU)
• Control Unit (CU)
• Memory
• Input Devices
• Output Devices
• Motherboard
• Bus
• Power Supply Unit (PSU)

Question 22

The brain of the computer, responsible for executing instructions and processing data.

Answer 22

Central Processing Unit (CPU)

Question 23

CPU consists 3 types of?

Answer 23

• Arithmetic Logic Unit (ALU)
• Control Unit (CU)
• Registers

Question 24

Performs arithmetic and logical operations

Answer 24

Arithmetic Logic Unit (ALU)

Question 25

**Directs the operation of the processor and coordinates activities between various components**

Answer 25

Control Unit (CU)

Question 26

**Small, fast storage locations within the CPU used to hold temporary data and instructions**

Answer 26

Registers

Question 27

**Volatile memory used to store data and instructions that are currently being used or processed**

Answer 27

Primary Memory (RAM)

Question 28

**Non-volatile memory used for long-term storage, such as hard drives, SSDs, and optical disks**

Answer 28

Secondary Memory

Question 29

**Hardware used to input data into the computer, such as keyboards, mice, and scanners**

Answer 29

Input Devices

Question 30

**Hardware used to output data from the computer, such as monitors, printers, and speakers**

Answer 30

Output Devices

Question 31

**The main circuit board that holds the CPU, memory, and other essential components, and provides connectors for additional components**

Answer 31

Motherboard

Question 32

**A system of pathways used to connect different parts of the computer and allow them to communicate**

Answer 32

Bus

Question 33

**What are the types of buses?**

Answer 33

- Data bus - Address bus - Control bus

Question 34

**Converts electrical power from an outlet into usable power for the computer's components**

Answer 34

Power Supply Unit (PSU)

Question 35

**Give the 3 Software Components**

Answer 35

- Operating System (OS) - System Software - Application Software

Question 36

**The system software that manages hardware resources and provides services for computer programs. Examples include Windows, macOS, Linux, and Unix**

Answer 36

Operating System (OS)

Question 37

**Includes the OS and utilities that manage system resources and provide common services for application software**

Answer 37

System Software

Question 38

**Programs designed for end-users to perform specific tasks, such as word processors, web browsers, and games**

Answer 38

Application Software

Question 39

**What are the types of System Organization and Architecture?**

Answer 39

- Von Neumann Architecture - Harvard Architecture - Pipelining - Cache Memory - I/O Systems

Question 40

**A computer architecture design where a single memory space holds both instructions and data, and a single set of buses is used for communication**

Answer 40

Von Neumann Architecture

Question 41

**Uses separate memory storage and separate buses for instructions and data, allowing simultaneous access to both**

Answer 41

Harvard Architecture

Question 42

**A technique where multiple instructions are overlapped in execution to improve performance**

Answer 42

Pipelining

Question 43

**Small, fast memory located close to the CPU that stores frequently accessed data to speed up processing**

Answer 43

Cache Memory

Question 44

**Components and processes involved in input and output operations, including device drivers and communication protocols.**

Answer 44

I/O Systems