Cu control unit Study guides, Class notes & Summaries
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Algorithm - correct answer A precise sequence of instructions for processes that can be implemented in a programming language and executed by a computer. 
 
Control Structure - correct answer one or more programming language statements that control the flow of a computer program. Examples: If/Else structure or a loop structure. 
 
Computer - correct answer a machine that processes information under the control of a program. 
 
Program - correct answer sequence of instructions that control the co...
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CPSC 355 – Midterm Exam Review questions and answers, 100% 
Accurate, verified. 
What does a basic computer system consist of? - -CPU, System Clock, Primary Memory (RAM), 
Secondary Memory (HDD), Peripheral Input and Output Devices, Bus 
CPU - -The "brains" of the computer. Executes instructions 
Usually contained on a single silicon microprocessor chip. 
System Clock - -Generates a clock signal to synchronize the CPU and other clocked devices (a 
square wave) 
Signal is measured in GHz. ...
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A-Level OCR Computer Science (1.1.1) Exam 2024 Questions & Answers 100% accurate!
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A-Level OCR Computer Science (1.1.1) Exam 2024 Questions & Answers 100% accurate! 
CPU - ANSWERSCentral Processing Unit 
 
ALU - ANSWERSArithmetic Logic Unit 
 
CU - ANSWERSControl Unit 
 
PC (CPU) - ANSWERSProgram Counter 
 
ACC - ANSWERSAccumulator 
 
MAR - ANSWERSMemory Address Register 
 
MDR - ANSWERSMemory Data Register 
 
CIR - ANSWERSCurrent Instruction Register 
 
Define CPU - ANSWERSThe main processor in a computer system handling data and instructions. 
 
Define ALU - ANSWERSA circuit...
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CPSC 355 Exam Review questions and answers, 100% accurate, 
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A basic computer system consists of: - -Central Processing Unit (CPU) 
System Clock 
Primary Memory 
Secondary Memory 
Peripheral devices 
Bus 
What is the the purpose of the CPU? - -Executes instructions 
Controls the transfer of data across the BUS 
What are the 3 main parts of the CPU? - -Control Unit (CU) 
Arithmetic Logic Unit (ALU) 
Registers 
What is the Job of the CU? - -- Directs the execution of instructions 
What ...
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CPU Central Processing Unit 
 
ALU Arithmetic Logic Unit 
 
CU Control Unit 
 
PC (CPU) Program Counter 
 
ACC Accumulator 
 
MAR Memory Address Register 
 
MDR Memory Data Register
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CPU Central Processing Unit 
 
ALU Arithmetic Logic Unit 
 
CU Control Unit 
 
PC (CPU) Program Counter 
 
ACC Accumulator 
 
MAR Memory Address Register 
 
MDR Memory Data Register
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CPSC 355 Midterm Exam - Questions and Answers What does a basic computer system consist of? CPU, System Clock, Primary Memory (RAM), Secondary Memory (HDD), Peripheral Input and Output Devices, Bus CPU The "brains" of the computer. Executes instructions Usually contained on a single silicon microprocessor chip. System Clock Generates a clock signal to synchronize the CPU and other clocked devices (a square wave) Signal is measured in GHz. Primary Memory (aka ___) aka RAM (Random Access Memor...
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WGU D322 Introduction to IT Correct answers latest update
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WGU D322 Introduction to IT Correct answers latest update 
Information Technology 
The technology used in creating, maintaining, and making information accessible. 
 
 
IT Professional Roles 
Administration and Support 
 
 
System Administrator 
Maintains all aspects of the system including hardware, software, and programming. 
 
 
Network Administrator 
In charge of all aspects of the computer network 
 
 
Database Administrator 
Focuses on the design, development, and support of database manag...
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THE CPU GCSE OCR COMPUTER SCIENCE EXAM QUESTIONS WITH 100% CORRECT ANSWERS
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What does the CPU stand for? 
The Central Processing Unit. 
 
 
 
What is the CPU? 
The brain of the computer system. 
 
 
 
 
Brainpower 
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What does the CPU do? 
Process all the data and instructions that make the computer system work. 
 
 
 
What does the processing power of a CPU depend on? 
It's: 
-Clock speed 
-Number of cores 
-Cache size 
 
 
 
What does the CPU architecture de...
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Algorithm - Answer- A precise sequence of instructions for processes that can be implemented in a programming language and executed by a computer. 
 
Control Structure - Answer- one or more programming language statements that control the flow of a computer program. Examples: If/Else structure or a loop structure. 
 
Computer - Answer- a machine that processes information under the control of a program. 
 
Program - Answer- sequence of instructions that control the computer. To run, it must be l...
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