A. Edit
B. Delete key
C. Dummy out
D. Trust key
✅ The correct answer is option B.
Basic computer knowledge MCQs
Moves the cursor one space to the right or puts spaces in between words__________________?
A. Control key
B. Space bar
C. Printer
D. Mouse
✅ The correct answer is option B.
The components that process data are related _______________________?
A. system units
B. output devices
C. storage components
D. Input devices
✅ The correct answer is option A.
Which of the following protects the system from hackers ?
A. Firewall
B. Scanner
C. Hub
D. Snort
✅ The correct answer is option A.
In asynchronous serial communication the physical layer provides__________________?
A. start and stop signalling
B. flow control
C. both A and B
D. none of these
✅ The correct answer is option C.
Surgeons can perform delicate operations by manipulating devices through computer instead of manually. This technology is known as___________________?
A. computer forensics
B. forecasting
C. robotics
D. simulation
✅ The correct answer is option C.
The most common input devices are_____________________?
A. Microphone and Printer
B. Scanner and Monitor
C. Digital camera and Speaker
D. Keyboard and Mouse
✅ The correct answer is option D.
A sizeable geographical area with communication based on the telephone system is though as_____________________?
A. Local area network
B. Wide area network
C. Modulator-Demodulator
D. All of the above
✅ The correct answer is option B.
Secondary storage ____________________?
A. does not require constant power
B. does not use magnetic media
C. consists of four main types of devices
D. does not store information for lateral retrieval
✅ The correct answer is option A.
Which one of the following allows a user at one site to establish a connection to another site and then pass keystrokes from local host to remote host ?
A. HTTP
B. FTP
C. Telnet
D. None of these
✅ The correct answer is option C.