Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

Both the CISC and RISC architectures have been developed to reduce the

A. Cost
B. Time delay
C. Semantic gap
D. All of the mentioned
Answer» D. All of the mentioned
2.

The computer architecture aimed at reducing the time of execution of instructions is _____

A. CISC
B. RISC
C. ISA
D. ANNA
Answer» C. ISA
3.

The CISC stands for ____

A. Computer Instruction Set Compliment
B. Complete Instruction Set Compliment
C. Computer Indexed Set Components
D. Complex Instruction set computer
Answer» E.
4.

The commitment unit uses a queue called __

A. Record buffer
B. Commitment buffer
C. Storage buffer
D. None of the mentioned
Answer» B. Commitment buffer
5.

Since it uses the out of order mode of execution, the results are stored in _

A. Buffers
B. Special memory locations
C. Temporary registers
D. TLB
Answer» D. TLB
6.

A special unit used govern the out of order execution of the instructions is called as ____

A. Commitment unit
B. Temporal unit
C. Monitor
D. Supervisory unit
Answer» B. Temporal unit
7.

The step where in the results stored in the temporary register is transfered into the permanent register is called as _

A. Final step
B. Committment step
C. Last step
D. Inception step
Answer» C. Last step
8.

If an exception is raised and the succeeding instructions are executed completly, then the processor is said to have _

A. Exception handling
B. Imprecise exceptions
C. Error correction
D. None of the mentioned
Answer» C. Error correction
9.

When the processor executes multiple instructions at a time it is said to use ___

A. single issue
B. Multiplicity
C. Visualization
D. Multiple issue
Answer» E.
10.

The throughput of a super scalar processor is

A. less than 1
B. 1
C. More than 1
D. Not Known
Answer» D. Not Known
11.

The situation where in the data of operands are not available is called __

A. Data hazard
B. Stock
C. Deadlock
D. Structural hazard
Answer» B. Stock
12.

The contention for the usage of a hardware device is called as __

A. Structural hazard
B. Stalk
C. Deadlock
D. None of the mentioned
Answer» B. Stalk
13.

The periods of time when the unit is idle is called as _

A. Stalls
B. Bubbles
C. Hazards
D. Both Stalls and Bubbles
Answer» E.
14.

The pipelining process is also called as ___

A. Superscalar operation
B. Assembly line operation
C. Von neumann cycle
D. None of the mentioned
Answer» C. Von neumann cycle
15.

To increase the speed of memory access in pipelining, we make use of ___

A. Special memory locations
B. Special purpose registers
C. Cache
D. Buffers
Answer» D. Buffers
16.

If a unit completes its task before the allotted time period, then

A. It’ll perform some other task in the remaining time
B. Its time gets reallocated to different task
C. It’ll remain idle for the remaining time
D. None of the mentioned
Answer» D. None of the mentioned
17.

The fetch and execution cycles are interleaved with the help of ____

A. Modification in processor architecture
B. Clock
C. Special unit
D. Control unit
Answer» C. Special unit
18.

In double precision format the size of the mantissa is ___

A. 32 bit
B. 52 bit
C. 64 bit
D. 72 bit
Answer» C. 64 bit
19.

The 32 bit representation of the decimal number is called as _

A. Double-precision
B. Single-precision
C. Extended format
D. None of the mentioned
Answer» C. Extended format
20.

The sign followed by the string of digits is called as _

A. Significant
B. Determinant
C. Mantissa
D. Exponent
Answer» D. Exponent
21.

In 32 bit representation the scale factor as a range of __

A. -128 to 127
B. -256 to 255
C. 0 to 255
D. None of the mentioned
Answer» B. -256 to 255
22.

_______ constitute the representation of the floating number.

A. Sign
B. Significant digits
C. Scale factor
D. All of the mentioned
Answer» E.
23.

If the decimal point is placed to the right of the first significant digit, then the number is called as __

A. Orthogonal
B. Normalized
C. Determinate
D. None of the mentioned
Answer» C. Determinate
24.

The multiplier -6(11010) is recorded as,

A. 0-1-2
B. 0-1+1-10
C. -2-10
D. None of the mentioned
Answer» B. 0-1+1-10
25.

The numbers written to the power of 10 in the representation of decimal numbers are called as __

A. Height factors
B. Size factors
C. Scale factors
D. None of the mentioned
Answer» D. None of the mentioned
26.

CSA stands for

A. Computer Speed Addition
B. Carry Save Addition
C. Computer Service Architecture
D. None of the mentioned
Answer» B. Carry Save Addition
27.

The bits 1 & 1 are recorded as _______ in bit-pair recording.

A. -1
B. 0
C. +1
D. both -1 and 0
Answer» E.
28.

The method used to reduce the maximum number of summands by half is __

A. Fast multiplication
B. Bit-pair recording
C. Quick multiplication
D. None of the mentioned
Answer» C. Quick multiplication
29.

The product of 1101 & 1011 is

A. 10001111
B. 10101010
C. 11110000
D. 11001100
Answer» B. 10101010
30.

The multiplicand and the control signals are passed through to the n-bit adder via _

A. MUX
B. DEMUX
C. Encoder
D. Decoder
Answer» B. DEMUX
31.

The ______ is used to co-ordinate the operation of the multiplier.

A. Controller
B. Coordinator
C. Control sequencer
D. None of the mentioned
Answer» D. None of the mentioned
32.

The multiplier is stored in __

A. PC Register
B. Shift register
C. Cache
D. None of the mentioned
Answer» C. Cache
33.

The delay reduced to in the carry look ahead adder is _____

A. 5
B. 8
C. 10
D. 2n
Answer» B. 8
34.

The final addition sum of the numbers, 0110 & 0110 is

A. 1101
B. 1111
C. 1001
D. 1010
Answer» B. 1111
35.

In a normal adder circuit the delay obtained in generation of the output is __

A. 2n + 2
B. 2n
C. n + 2
D. None of the mentioned
Answer» B. 2n
36.

The usual implementation of the carry circuit involves __

A. And and or gates
B. XOR
C. NAND
D. XNOR
Answer» C. NAND
37.

In full adders the sum circuit is implemented using _

A. And & or gates
B. NAND gate
C. XOR
D. XNOR
Answer» D. XNOR
38.

______ is used to deal with the difference in the transfer rates between the drive and the bus.

A. Data repeaters
B. Enhancers
C. Data buffers
D. None of the mentioned
Answer» D. None of the mentioned
39.

The carry in the ripple adders(which is true)

A. Are generated at the beginning only
B. Must travel through the configuration
C. Is generated at the end of each operation
D. None of the mentioned
Answer» C. Is generated at the end of each operation
40.

The carry generation function: ci + 1 = yici + xici + xiyi, is implemented in _____

A. Half adders
B. Full adders
C. Ripple adders
D. Fast adders
Answer» C. Ripple adders
41.

_____ is used to detect and correct the errors that may occur during data transfers.

A. ECC
B. CRC
C. Checksum
D. None of the mentioned
Answer» B. CRC
42.

The disk drive is connected to the system by using the _

A. PCI bus
B. SCSI bus
C. HDMI
D. ISA
Answer» C. HDMI
43.

The access time is composed of __

A. Seek time
B. Rotational delay
C. Latency
D. Both Seek time and Rotational delay
Answer» E.
44.

To distinguish between two sectors we make use of _____

A. Inter sector gap
B. Splitting bit
C. Numbering bit
D. None of the mentioned
Answer» B. Splitting bit
45.

The method of placing the heads and the discs in an air tight environment is called as _____

A. RAID Arrays
B. ATP tech
C. Winchester technology
D. Fleming reduction
Answer» D. Fleming reduction
46.

The data can be accessed from the disk using ___

A. Surface number
B. Sector number
C. Track number
D. All of the mentioned
Answer» E.
47.

The set of corresponding tracks on all surfaces of a stack of disks form a ____

A. Cluster
B. Cylinder
C. Group
D. Set
Answer» C. Group
48.

A hard disk with 20 surfaces will have _____ heads.

A. 10
B. 5
C. 1
D. 20
Answer» E.
49.

___ pushes the heads away from the surface as they rotate at their standard rates.

A. Magnetic tension
B. Electric force
C. Air pressure
D. None of the mentioned
Answer» D. None of the mentioned
50.

The air pressure can be countered by putting ______ in the head-disc surface arrangement.

A. Air filter
B. Spring mechanism
C. coolant
D. None of the mentioned
Answer» C. coolant