High Performance Computing (HPC) Solved MCQs

1.

A CUDA program is comprised of two primary components: a host and a _____.

A.gpu??kernel
B.cpu??kernel
C.os
D.none of above
Answer» A. gpu??kernel
discuss
2.

The kernel code is dentified by the ________qualifier with void return type

A._host_
B.__global__??
C._device_
D.void
Answer» B. __global__??
discuss
3.

The kernel code is only callable by the host

A.true
B.false
Answer» A. true
discuss
4.

The kernel code is executable on the device and host

A.true
B.false
Answer» B. false
discuss
5.

Calling a kernel is typically referred to as _________.

A.kernel thread
B.kernel initialization
C.kernel termination
D.kernel invocation
Answer» D. kernel invocation
discuss
6.

Host codes in a CUDA application can Initialize a device

A.true
B.false
Answer» A. true
discuss
7.

Host codes in a CUDA application can Allocate GPU memory

A.true
B.false
Answer» A. true
discuss
8.

Host codes in a CUDA application can not Invoke kernels

A.true
B.false
Answer» B. false
discuss
9.

CUDA offers the Chevron Syntax to configure and execute a kernel.

A.true
B.false
Answer» A. true
discuss
10.

the BlockPerGrid and ThreadPerBlock parameters are related to the ________ model supported by CUDA.

A.host
B.kernel
C.thread??abstraction
D.none of above
Answer» C. thread??abstraction
discuss
11.

_________ is Callable from the device only

A._host_
B.__global__??
C._device_
D.none of above
Answer» C. _device_
discuss
12.

______ is Callable from the host

A._host_
B.__global__??
C._device_
D.none of above
Answer» B. __global__??
discuss
13.

______ is Callable from the host

A._host_
B.__global__??
C._device_
D.none of above
Answer» A. _host_
discuss
14.

CUDA supports ____________ in which code in a single thread is executed by all other threads.

A.tread division
B.tread termination
C.thread abstraction
D.none of above
Answer» C. thread abstraction
discuss
15.

In CUDA, a single invoked kernel is referred to as a _____.

A.block
B.tread
C.grid
D.none of above
Answer» C. grid
discuss
16.

A grid is comprised of ________ of threads.

A.block
B.bunch
C.host
D.none of above
Answer» A. block
discuss
17.

A block is comprised of multiple _______.

A.treads
B.bunch
C.host
D.none of above
Answer» A. treads
discuss
18.

a solution of the problem in representing the parallelismin algorithm is

A.cud
B.pta
C.cda
D.cuda
Answer» D. cuda
discuss
19.

Host codes in a CUDA application can not Reset a device

A.true
B.false
Answer» B. false
discuss
20.

Host codes in a CUDA application can Transfer data to and from the device

A.true
B.false
Answer» A. true
discuss
21.

Host codes in a CUDA application can not Deallocate memory on the GPU

A.true
B.false
Answer» B. false
discuss
22.

Any condition that causes a processor to stall is called as _____.

A.hazard
B.page fault
C.system error
D.none of the above
Answer» A. hazard
discuss
23.

The time lost due to branch instruction is often referred to as _____.

A.latency
B.delay
C.branch penalty
D.none of the above
Answer» C. branch penalty
discuss
24.

_____ method is used in centralized systems to perform out of order execution.

A.scorecard
B.score boarding
C.optimizing
D.redundancy
Answer» B. score boarding
discuss
25.

The computer cluster architecture emerged as an alternative for ____.

A.isa
B.workstation
C.super computers
D.distributed systems
Answer» C. super computers
discuss
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