Grade 11 Theory Part 1

1.1       Which one of the following statements about a switch in computer networking is FALSE?

• A.   Computing devices are connected to a switch with cables.

• B.   A switch allows communication between computers in a network.

• C.  The main function of a switch in any network is to obtain internet access.

• D.        More than one switch can be used in a computer network.

Which one of the following specifications is common both to monitors and to printers?

• A.    Monthly duty cycle

• B.    Resolution

• C.    4K

• D.    Aspect ratio

1.3       Which one of the following is NOT used to hold data created by the user?

• A.    RAM

• B.    SD card

• C.    Hard drive

• D.   ROM        

1.4       Which one of the following is a possible result (answer) of the formula shown below, when entered in a spreadsheet?

•  

  A.   16.4231

• B.   9.74488

• C.  100.6521

• D.        – 0.4089

1.5       Which one of the following statements about memory and storage is FALSE?

• A.         Storage operates at lower speeds than memory.

• B.   Storage, unlike memory, holds data and programs even when the computer is switched off.

• C.  Both magnetic and optical storage work mechanically.

• D.        Storage is more expensive per GB than memory.

1.6       Which one of the following is a document that contains the basic layout and sections needed for a particular type of document?  

• A.    Template

• B.    Form

• C.    Theme

• D.    Style

1.7       ‘Monthly duty cycle’ is a specification of a ...

• A.   digital camera.

• B.   workstation.

• C.  printer.

• D.        scanner.

1.8       Which one of the following devices do ATM thieves use to obtain your PIN?

• A.    Card skimmer

• B.    Video camera

• C.    Touch screen

• D.    Magnetic strip     

1.9       Which one of the following will NOT help to promote green computing?

• A.    Performing a spell check on soft copies of documents

• B.    Scanning documents that need to be shared with others

• C.    Training people to use Outlook effectively

• D.    Making hard copies of electronic documents

1.10     Which one of the following devices would NOT be used by a person who suffers from poor motor control?

• A.    Braille keyboard

• B.    Joystick

• C.    Eye tracking device

• D.   Large trackball