คอมพิวเตอร์เบื้องต้น

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Questions and Answers

Which of the following accurately describes the primary function of a computer?

To receive, process, and output data according to programmed instructions. (correct)
To store data indefinitely without processing it.
To act solely as a communication device between users.
To function only as a display unit for visual information.

Which component is considered the 'brain' of the computer, responsible for executing instructions?

CPU (Central Processing Unit) (correct)
Motherboard
RAM (Random Access Memory)
GPU (Graphics Processing Unit)

Which type of memory is volatile and requires continuous power to maintain the stored information?

RAM (Random Access Memory) (correct)
SSD (Solid State Drive)
HDD (Hard Disk Drive)
ROM (Read-Only Memory)

Which of these is an example of secondary storage?

SSD (D) Signup and view all the answers

Which device is used to input data into a computer system?

Keyboard (C) Signup and view all the answers

Which device is used to present processed information from a computer?

Monitor (C) Signup and view all the answers

Which component connects all the hardware components of a computer?

Motherboard (B) Signup and view all the answers

What is the primary function of a graphics card (GPU)?

To process and display images on the screen. (B) Signup and view all the answers

What is the role of the power supply in a computer system?

Converting AC power from the outlet to DC power for the components. (C) Signup and view all the answers

Which software manages computer hardware and software resources?

Operating System (A) Signup and view all the answers

Which of the following is a type of system software?

Windows OS (A) Signup and view all the answers

What is the purpose of utility programs?

To manage and maintain the computer system. (B) Signup and view all the answers

Which software is used for creating and editing images?

Adobe Photoshop (A) Signup and view all the answers

What unit is used to measure CPU processing speed?

GHz (Gigahertz) (C) Signup and view all the answers

How does increasing the amount of RAM typically affect computer performance?

Speeds up the computer by allowing more data to be readily accessible. (D) Signup and view all the answers

What is a key advantage of SSDs over HDDs?

Faster Data Access (D) Signup and view all the answers

What is the purpose of VRAM in a graphics card?

Storing video data and textures for faster access during graphics processing. (B) Signup and view all the answers

Why is it important to choose a power supply unit (PSU) with sufficient wattage?

To ensure all components receive enough power to operate correctly. (A) Signup and view all the answers

What measure can be taken to protect data and prevent data loss?

Regular Data Backups (A) Signup and view all the answers

What is the significance of installing antivirus software on a computer?

To prevent and remove malicious software from the computer. (D) Signup and view all the answers

Flashcards

What is a computer?

An electronic device that receives, processes, and outputs data based on programmed instructions.

What is Hardware?

The physical components of a computer that you can touch.