In computer architecture, the type of bus that connects the major components of a computer system is
address
data bus
control bus
system bus
Correct answer is D
In computer architecture, the system bus is the main communication route that connects the major components of a computer system, such as the CPU, memory, and input/output devices. It is composed of the data bus, address bus, and control bus. Therefore, the correct answer is 'system bus'.
Using Boolean identities, reduce the given Boolean expression:
A(A+1) + A(B+0) + C.1
A + B + C
A.B.C
A.B + C
A + C
Correct answer is D
Using Boolean identities, the given Boolean expression A(A+1) + A(B+0) + C.1 can be reduced as follows: A.1 + A.B + C = A + A.B + C = A + C. The Boolean identity A + A.B = A is used here, which states that if A is true, the whole expression is true regardless of the value of B.
The first stage of data processing activities is ?
Manipulation
Collection
Conversion
Sorting
Correct answer is B
The first stage of data processing is the collection or gathering of data and recording it in a usable form
One of the following is not a good way to prevent virus
encryption
use of firewall
carelessly exposing your vital and personal information
use of antivirus software
Correct answer is C
Ways of preventing virus
- use of antivirus software
- use of firewall
- exercising care in giving out personal and vital information
- encryptions
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