Author: Study Clue

After pressing the power button, the PC beeps and shows nothing; what should you check first A RAM seated properly

When a PC is slow only after startup, which setting area should you check first A Screen saver time B

When a computer becomes very slow after installing many apps, what is a simple first step A Delete system files

A user program cannot directly access hardware mainly because A CPU lacks power B RAM is too small C Kernel

When two apps need the same printer, the OS mainly handles A File splitting B Screen mirroring C Device sharing

To run applications smoothly, the OS mainly provides A Browser updates B Internet bandwidth C Printer ink D Execution environment

An operating system is best described as software that A Controls computer operations B Repairs hardware parts C Prints documents

An operating system mainly acts as a link between the user and A CPU and user B User and hardware

A 20-bit address bus can directly address a maximum of A 20 locations only B 1,024 locations max C 1,048,576

If the address bus is 16-bit wide, the maximum number of unique memory locations is A 65,536 locations B 16