Correct Answer:
B. Vacuum tubes
Vacuum tubes were the primary technology for the first generation of computers, characterized by their large size, high power consumption, and significant heat generation.
Related MCQs
In PowerPoint, a .wav file is a type of:
A.
Video file
B.
Image file
C.
Sound file
D.
Presentation file
Correct answer is:
C. Sound file
Tehzeeb-ul-Akhlaq is a journal written by:
A.
(A) Sir Syed Ahmad Khan
B.
(B) Shah Wali Ullah
C.
(C) Abul Kalam Azad
D.
(D) None of these
Correct answer is:
A. (A) Sir Syed Ahmad Khan
Deadlock in an operating system occurs when?
A.
A process terminates unexpectedly
B.
A process waits indefinitely for resources held by other processes
C.
CPU is overloaded
D.
Memory is insufficient
Correct answer is:
B. A process waits indefinitely for resources held by other processes
Which topology requires a central controller or hub?
A.
Mesh
B.
Star
C.
Bus
D.
Ring
Correct answer is:
B. Star
From which menu you can insert Header and Footer in Microsoft Word?
A.
View Menu
B.
Home Menu
C.
Insert Menu
D.
Design Menu
Correct answer is:
C. Insert Menu
What is a light pen?
A.
A
B.
Optical input device
C.
Electronic input device
D.
Optical output device
Correct answer is:
B. Optical input device