Form 5 CSEC Revision

Which of the following sequence shows an increase in computer memory capacity?

• Terabyte -Gigabyte-Megabyte

• Gigabyte-Kilobyte-Megabyte

• Megabyte-Terabyte-Kilobyte

• Megabyte-Gigabyte-Terabyte

Which of the following operations display results?

• Input

• Output

• Storage

• Processing

Which of the following statements is true about the Arithmetic Logic Unit(ALU) ?

• Stores data permanently

• Performs mathematical Calculations

• Is also called memory or main memory

• Sequentially access and decodes program insructions

Answer explanation

The Control unit decodes program instructions

Which of the following types of drives has the SLOWEST transfer rate?

• Flash

• Hard Disk

• DVD disk

• Floppy Disk

ITEM 5 refers to the following diagram which shows the basic operations of the general purpose computer system

Which of the following functions is carried out in the box Z?

• Input

• Output

• Storage

• Processing

Which part of the Central Processing Unit coordinates its activities?

• Register

• Control Unit

• Main memory

• Arithmetic and Logic Unit

Which of the following is a hardware user interface?

• GUI

• Icon

• Sensor

• Touchscreens

Which of the following chips can be erased and reprogrammed repeatedly?

• RAM

• ROM

• PROM

• EPROM

Which of the following devices can be used for both input and output?

• Flatbed scanner

• Document reader

• Touchscreen

• Barcode Reader

Telecommutig means using Information Communication Technolgy at home to

• hold conferences

• sell and buy products

• send and receive emails

• work away from the office