Grade 9 Third Term

The person who maintains the system and finding & repairing the errors is called as,

• Software Engineer

• Computer Application Assistant

• System Analyst

• Hardware Technician

Which of the following is called as brain of the computer?

• Motherboard

• CPU

• Hard disk

• RAM

Which of the following device function as both input and output device?

• Microphone

• Touch screen

• Monitor

• Touchpad

The speed of the processor is mesured in Hz. Which of the following is equivalent to 1 GHz

• 100 MHz

• 1024 MHz

• 1000 MHz

• 100 KHz

Which of the follwoing is not a licensed operating system?

• Linux

• DOS

• Windows

• iOS

Which of the following device canot be connected through USB port?

• Web Camera

• External Hard Disk

• Mouse

• Router

Which of the following is can not be cosidered as a technical specification fo a computer?

• Computer Price

• Monitor Size

• Processor Speed

• Hard Disk Capacity

The tool denoted by given figure is,

• Save

• Copy

• Open

• Print preview

Which of the following symbol is not used to wirte a formula in an electronic spread sheet?

• +

• *

• x

• /

Which of the follwoing device doesn't have the micro controller?

• Solar Lamp with sensors

• Washing machine

• Electric Kettle

• Microwave overn