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Which of these is an ‘Input’ device?
ASpeaker
BMonitor
CScanner
DPrinter
What is ‘Defragmentation’?
AReorganizing files to improve drive performance
BInstalling new software
CUpdating the OS
DDeleting files
Which logic gate outputs 1 only when all inputs are 1?
AXOR
BOR
CNOT
DAND
Which logic gate gives output 1 if inputs are different?
AXOR
BAND
CNOR
DOR
What is a ‘Kernel’ in an Operating System?
AThe application layer
BThe user interface
CA storage device
DThe core component that manages system resources
Which of these is a ‘NoSQL’ database?
AMySQL
BPostgreSQL
CMongoDB
DOracle
Which device converts computer output into a hard copy?
APlotter
BPrinter
CScanner
DMonitor
What is a ‘Bug’ in computer terminology?
AAn error in the program code
BA virus
CA hardware component
DA feature of software
What is ‘Pixel’?
AThe smallest unit of a digital image
BA hardware component
CPrinter ink
DA screen size