Which of these is an ‘Input’ device?
ASpeaker
BMonitor
CScanner
DPrinter
Archive
Archives: MCQs
Which unit measures the speed of a CPU?
AHertz (Hz)
BPixels
CBits
DBytes
What does ‘URL’ stand for?
AUniversal Resource Locator
BUniversal Resource Link
CUniform Resource Link
DUniform Resource Locator
Which key is commonly used to refresh a web page in a browser?
AF1
BF12
CF2
DF5
What is a ‘firewall’ in computer networking?
AA system designed to block unauthorized access
BA type of virus
CA cooling unit for CPUs
DA web browser
Which device converts digital signals to analog for internet transmission over phone lines?
AModem
BRouter
CSwitch
DHub
Which of the following is considered ‘non-volatile’ memory?
ACache
BRegister
CRAM
DROM
Which component is responsible for executing instructions in a computer?
AHard Disk
BMonitor
CRAM
DCPU
What is a ‘VLAN’?
AVirtual Local Area Network
BVerified Local Area Network
CVirtual Local Area Node
DVideo Local Area Network
What is ‘Recursion’ in programming?
AAn error
BA loop
CA function calling itself
DA data structure