Jamb Computer Studies Questions
Question 171:
A device that sends and receives printed pages or images over telephone lines by digitizing the material with an internal optical scanner and transmitting the information as electronic signals is a
- A ATM
- B Scanner
- C GSM
- D Fax machine
View Answer & ExplanationQuestion 172:
The first computer made available for commercial use was
- A UNIVAC
- B EDSAC
- C Mark-1
- D ENIAC
View Answer & ExplanationQuestion 173:
An action performed in the GUI operating systems to hide a window but keep the program running in the background is?
- A Hide
- B Multitasking
- C Minimize
- D Maximize
View Answer & ExplanationQuestion 174:
What is the shortcut for performing warm booting?
- A Y pressing the Ctrl + Alt keys simultaneously
- B Y pressing the Ctrl + Alt + F1 keys simultaneously
- C Y pressing the Ctrl + Del keys simultaneously
- D By pressing the Ctrl + Alt + Del keys simultaneously
View Answer & ExplanationQuestion 175:
EDVAC was produced using which of these concepts?
- A Packet routing
- B Stored program
- C Circuit switching
- D Packet switching
View Answer & Explanation