mid exam 2017

Optical disk is the primary storage device.

• false

• true

The speed of CPU is measured in only gigahertz.

• true

• false

Central Processing Unit acts as the brain of the computer.

• true

• false

DVD store large amounts of data than CD.

• false

• true

Read-only memory is the secondary storage device.

• true

• false

What are input devices used for?

• To enter data into a computer

• To process information

• To display output

• To store data

What is a Barcode Reader used for?

• To read barcodes printed on products

• To delete characters

• To enter data

• To navigate

What is the function of a Speech Recognition System (SRS)?

• To delete characters

• To enter data

• To recognize human speech

• To navigate

What does a Touch Screen allow us to do?

• Delete characters

• Perform specific tasks

• Enter data by using a finger

• Navigate through text

What are the three sub-components of the CPU?

• Control Unit, Arithmetic Logic Unit, Memory Unit

• Data, Information, Knowledge

• Input, Output, Storage

• Software, Hardware, Firmware