Which of the following is not a function of the operating system?
Analysis of the computer components
Ensuring the proper functioning of hardware
Maintenance of directories in external storage
Opening and closing files.
Correct answer is D
No explanation has been provided for this answer.
The memory unit of the computer belongs to the?
control unit
input device
output device
system unit
Correct answer is A
No explanation has been provided for this answer.
When signals X=0 and Y=1, signal Z is?
0.1
0
1
0+1
Correct answer is B
No explanation has been provided for this answer.
X, Y and Z respectively, represents?
input, output and input signals
output, output and input signals
output, input and output signals
input, input and output signals
Correct answer is A
No explanation has been provided for this answer.
Figure 1 is a logic gate. Use it to answer questions 12 to 14. Figure 1 represents?
a NOT gate
a NAND gate
an AND gate
an OR gate
Correct answer is C
No explanation has been provided for this answer.
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