module 3

t

A CPU converts the data entered through the keyboard into output displayed on the monitor. true or false

b

To resolve major computer issues, computer professionals often suggest restoring the operating system. Which of the following should happen before this step? A. Disconnect all output devices. B. Transfer contents to an external storage device. C. Disconnect the UPS. D. Remove the internal hard drive on which the operating system is stored.

a

What determines the speed at which data travels? A. Bus width B. Clock speed C. Instructions per cycle (IPC) D. RAM capacity

d

What device do e-learning applications usually use to help users with visual impairment read digital content? A. Projector B. Plotter C. Motion-sensing controller D. Voice synthesizer

a?

What is the first step to performing hardware maintenance? A. Turn off the computer and remove its power source. B. Install anti-virus software. C. Disconnect all the input and output devices. D. Disconnect the UPS and surge suppressor.

a

What performance specification does 2 GHz refer to? A. Speed at which the processor executes instructions B. Speed at which data travels C. Time taken to fetch and decode instructions D. Time taken to store the instructions on RAM

c

What printer is commonly used to produce high-quality professional drawings such as architectural blueprints? A. Ink-jet printer B. Laser printer C. Plotter D. Mobile printer

b

Where on a computer is the operating system generally stored? A. RAM B. Internal hard drive C. Flash drive D. Virtual memory

c?

Which of the following is a necessary step in maintaining computer hardware? A. Connecting peripheral devices to computer B. Rebooting the computer often C. Using a UPS or a surge processor D. Cleaning air vents

a

Which of the following refers to a condition in which the CPU performs well but the bus speed is slow? A. Bottlenecking B. Clock speed C. Reboot D. Instructions per cycle (IPC)

c

Which of these hardware components can you use to store videos? A. External RAM B. Floppy disk C. Hard drive D. Motherboard

d?

Which of these is not an input device? A. Stylus B. Scanner C. Printer D. Webcam