Chapter 3&4

Chapter 3: Why does the motherboard have a CMOS battery on it?

• As emergency power to the computer when there is electrical disturbance.

• To provide electrical power to the RAM

• To power the BIOS chip when the computer is off

• To Power other peripherals connected to the motherboard

A computer has several types of memory. Which hardware does the computer used as a temporary storage to process data?

• Hard Disk Drive (HDD)

• Random Access Memory (RAM)

• Solid State Drive (SSD)

• Pendrive (PD)

What is the main purpose of a computer having a Graphics card?

• Produce output graphics to the display

• Process data from the RAM

• Play high end video games

• Provide permanent storage to install programs

Why does Hard Disk Drive (HDD) is slower compared to Solid State Drive (SSD)?

• Power run through the SATA cable is not enough

• Use cable as the connection to the motherboard

• Heavily depends on the rotational speed of the disk

• The size of the disks are too thick

What are the purposes of Power Supply in a computer

• Output graphics to the display

• Cooling down the heat generated from the CPU

• Connects the CPU to other components

• Distribute power throughout the components of the computer

Chapter 4: Definition of software

• The basic input/output system

• Digital copy of the data

• Set of instructions that tell the computer what to do

• Set of instructions that form the operating system.

What is virtual memory?

• Memory that used by the operating system to run task in the background

• Borrowed memory from permanent storage when the RAM is out of memory

• Permanent memory used to install programs

• Main temporary memory used to process the data

Which is the correct order of the Boot Process:

I. Start up

II. Running Post

III. Running BIOS

IV. Loading OS

• I - II - III - IV

• I - II - IV - III

• I - III - II - IV

• I - IV - II - III

Which utility software is used to protect the computer from malicious program?

• Disk Manager

• Police Manager

• Task Manager

• Anti-Virus

Which of the following are the 2 techniques used by the OS to manage memory?

I. Program start-up

II. Program continuation

III. Program paging

IV. Program segmentation

• I and II

• I and III

• II and III

• III and IV