# CSC 100 | Study Mode

Question 31
A
True
B
False
##### Explanation
The Arithmetic and logic unit performs all the basic operations of the computer system. It performs all the arithmetic(+,-,*,/,etc) as well as the logical operations( AND, OR, NOT, etc.).

Question 32
A
|
B
^
C
.
D
<<
##### Explanation
All except the dot(.) operator are bitwise operators. | : Bitwise OR ^ : Bitwise XOR << : Shift Left

Question 33
A
1
B
1110
C
1000
D
1001
##### Explanation
The first leftmost bit i.e. the most significant bit in the sign magnitude represents if the number is positive or negative. If the MSB is 1, the number is negative else if it is 0, the number is positive. Here, +1=0001 and for - 1=1001.

Question 34
A
Instantaneous Electrical Engineering
B
Institute of Emerging Electrical Engineers
C
Institute of Emerging Electronic Engineers
D
Institute of Electrical and electronics engineers
##### Explanation
The IEEE is an organization of professionals in the field of electronics and electrical engineering. IEEE has given certain standards of its own which are followed in the field of computer science and electrical engineering.

Question 35
A
Memory Devices
B
Registers
C
Flags
D
Output Unit
##### Explanation
Any output generated by the ALU gets stored in the registers. The registers are the temporary memory locations within the processor that are connected by signal paths to the CPU.

Question 36
A
Paging
B
Segmentation
C
Bifurcation
D
Dynamic Division
##### Explanation
The memory space is divided into segments of dynamic size. The programmer is aware of the segmentation and can reallocate the segments accordingly.

Question 37
A
4
B
8
C
16
D
2
##### Explanation
Arithmetic and Logic Unit consists of 16bits. They perform certain Arithmetic and bitwise operations (add, subtract, AND, OR, XOR, Increment, decrement, shift).

Question 38
A
Zero
B
Parity
C
Auxiliary
D
Carry
##### Explanation
The parity flag indicates the number of 1 bits in any operation. The resultant bit is called the parity bit. The main aim of the parity bit is to check for errors.

Question 39
A
1
B
10000000
C
11111111
D
11111110
##### Explanation
Bitwise complement is basically used to convert all the 0 digits to 1 and the 1s to 0s. So, for 0 = 00000000(in 8-bits) ::: 11111111(1s complement). The bitwise complement is often referred to as the 1s complement

Question 40
A
Data, Instructions
B
Instructions, Program
C
Data, Program
D
Program, Code
##### Explanation
Data can be assumed as a raw material which , in turns after processing gives the desired output in the form of instructions. Further, a set of ordered and meaningful instructions is known as a program.

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