100+ Operating System Gk Questions Online Test - 3

Question: 11

The major operating system used in computer is

(A) UNIX

(B) OS/2

(C) MS-DOS

(D) All of these

Question: 12

User-friendly systems are

(A) Required for batch-oriented processing

(B) Becoming more common

(C) Easy to develop

(D) Common among traditional mainframe operating systems

Question: 13

Device independence

(A) Allows tape drives to be substituted for disk drives

(B) Makes all devices look the same to the operating systems

(C) Allows programs to be written much more easily

(D) Allows the computer to run without I/O devices

Question: 14

The most important features of Microsoft windows program is (are)

(A) ICONS

(B) Pull-down menus

(C) Windows

(D) All of these

Question: 15

Block cache and buffer cache are used

(A) To speed up main memory read operation

(B) To increase the capacity of the main memory

(C) To handle interrupts

(D) To improve disk performance