Year 7 ICT

Example of direct input devices except.....

• magnetic stripe reader

• optical character reader (OCR)

• pressure

• barcode reader

There are two uses of numeric keypads. Which one is true. Choose two answer

• Telephone : to enter phone numbers

• chip and pin device : to enter barcode code number on products

• withdrawing from ATM : key in how much money to withdraw from ATM

• ATM : to enter phone number to allow us to access our cash

What are sensor used for?

• to measure the changing analogue temperature

• to analyze the received data

• automatically detect and measure physical quantities

• automatically detect sound only

what is this?

• OMR

• MICR

• OCR

What is meant by MICR?

(a)  

Example of using optical mark reader (OMR)

• to read shaded area of multiple choice examinations

• to read shaded area in lottery tickets

• to read customer account number

• to read cheque number

When people use internet, they run the risk of their computers being infected by viruses.

• yes

• no

What problem can viruses cause?

• annoying pop up message on screen

• causing the computer to slow down

• deleting important files

• trying to acces your personal files like passwords

During pandemic, teacher need to conduct an online class by using video-conferencing. Name two pieces of hardware that needed in order to hold video conference.

• webcam

• microphone

• joystick

• digital camera

A network device which broadcast data passing through it is called ..........

• a router

• a bridge

• a switch

• a hub