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BTEC Fundamentals of Computer Systems (student questions)

Total questions: 48

Worksheet time: 31mins

Name
Class
Date
1.

A: Which of the following does the kernel control? (Charlie)

a)

Device Drivers

b)

Defragmentation

c)

Parity Checking

d)

None of these

2.

A: Which of the following is a True statement about RAM? (Leigh)

a)

Volatile, data is not saved when computer is shut down

b)

Volatile, data is saved when computer is shut down

c)

Non-volatile, data is saved when computer is shut down

d)

Non-volatile, data is not saved when computer is shut down

3.

A: Which one of these is the kernel not used for? (Michal)

a)

Security Checks

b)

Disc access

c)

Device drivers

d)

Interrupts

4.

A: Which of the following describes RAID 5? (Jess)

a)

Striping with parity

b)

Mirroring

c)

Mirroring with parity

d)

Striping with double parity

5.

Which of the following is a type of operating system which is designed to respond instantly to inputs? (Jess)

a)

Real-time

b)

Single-user multi-tasking

c)

Multi-user

d)

Single-user single-tasking

6.

A: Which of these is a data processing function? (Oliver S)

a)

Validation

b)

Intermodulation

c)

Experimentation

d)

Extraction

7.

B: Which one of these is classed as a special register within the CPU? (Michal)

a)

CIR

b)

CLI

c)

MCU

d)

BCD

8.

B: What architecture model holds data and programs separately? (Sam)

a)

Harvard

b)

Von Neumann

c)

Cluster

d)

Stored Program

9.

C: What advantage does Unicode have over ASCII? (Charlie)

a)

It can represent more characters

b)

It uses less bits

c)

Unicode is not standardised

d)

It is a higher level language

10.

C: As the bit depth of an image increases ... ? (Charlie)

a)

File size increases

b)

Quality decreases

c)

The amount of colours decreases

d)

Resolution increases

11.

C: What is the difference between ASCII and Unicode? (Oliver S)

a)

ASCII is used for the English language whilst Unicode is used for several language

b)

ASCII only contains letters whilst Unicode only contains numbers

c)

Unicode only contains letters whilst ASCII only contains numbers

d)

Unicode is in the English Language only whilst ASCII is in every language

12.

C: Calculate 111000 + 100110. Give your answer in binary. (Jordan)

a)

1011110

b)

1011100

c)

1111110

d)

1010110

13.

C: Change this number from BCD to denary 010000100000. (Adam)

a)

420

b)

456

c)

543

d)

430

14.

C: 0110110 + 0100100 in binary. (Matt)

a)

1011010

b)

1010011

c)

1100200

d)

1110000

15.

C: Which binary coded decimal makes 128 in denary? (Tyler)

a)

000100101000

b)

100001100001

c)

100001001000

d)

000100010001

16.

D: Which data structure type uses LIFO? (Jack)

a)

Stack

b)

Array

c)

List

d)

Queue

17.

D: Which is the correct data structure description for a stack and a queue? (Josh)

a)

Queue is FIFO and a stack is FILO

b)

Queue is FILO and a stack is FIFO

c)

Queue is LIFO and a stack is LILO

d)

Queue is LILO and a stack is LILO

18.

D: What number would I expect to access in a 4x2 array at [3][1], if the values are { { 3, 7}, {2, 5}, {1, 8}, {6, 2} }? (Nathan)

a)

2

b)

5

c)

8

d)

1

19.

E: Which type of communication channel is used in sending data in both directions at the same time? (Sam)

a)

Full-Duplex

b)

Simplex

c)

Half-Duplex

d)

Point-to-Point

20.

E: Which of these are a type of error correction? (Jordan)

a)

Automatic repeat request

b)

Cyclic redundancy check

c)

Checksum

d)

Parity Schemes

21.

E: A walkie-talkie uses what type of communication? (Leigh)

a)

Full-Duplex

b)

Simplex

c)

Half-Duplex

d)

Complex

22.

E: Which data transmission method transmits data in only one direction? (Daniel & Matt)

a)

Full-Duplex

b)

Simplex

c)

Half-Duplex

d)

Point-to-Point

23.

E: Which of these is NOT a data transmission method? (Lucas)

a)

Asymmetric

b)

Simplex

c)

Multi-Drop

d)

Point-to-Point

24.

E: Which of the following is true about lossy compression? (Adam)

a)

it removes data from the original file, the resulting file often takes up much less disk space than the original

b)

it involves compressing data in such a way that the original data set is fully reconstructed upon reversal of compression

c)

it retains the original file quality and removes only metadata

d)

it is a way of making files smaller by reducing image dimensions or the length of audio files

25.

F: Who is this absolute G? (Mr J)

a)

George Boole

b)

Alan Turing

c)

Tim Berners-Lee

d)

Charles Babbage

26.

F: What is D (the output) when A = 1, B = 0, C = 0? (Harvey)

a)

0

b)

1

c)

01

d)

10

e)

11

27.

F: The image pictured is an example of a ... ? (Jack)

a)

NOR Half Adder

b)

NOR Full Adder

c)

NAND Half Adder

d)

NAND Full Adder

28.

F: Which gate does this truth table represent? (David)

a)

OR

b)

AND

c)

NOT

d)

NAND

29.

A: A way of interacting with a computer using items such as windows, icons, menus, and pointers, used by most modern operating systems (Mr J)

a)

Graphical User Interface

b)

Menu System

c)

Touchscreen

d)

Human Machine Interface

30.

A: A means of interacting with a computer program where the user (or client) issues commands to the program in the form of successive lines of text (Mr J)

a)

Command Line Interface

b)

Task Manager

c)

Run (regedit.exe)

d)

Python

31.

A: Some of the roles performed by the Kernel include ... (Mr J)

a)

Handling Interrupts ; Multi-tasking ; Device Drivers

b)

Multi-tasking ; Stacking zingers ; Disc Access

c)

Program Execution ; Interrupts ; Bucket Allocation

d)

Device Drivers ; B1less Delivery ; File management

32.

B: A computer architecture model where processors share the same physical memory evenly and with equal latency (Mr J)

a)

UMA

b)

NUMA

c)

Von Neumann

d)

Harvard

33.

B: A computer architecture model where processors can access local memory faster than memory that is local to another processor, or that which is shared between processors (Mr J)

a)

UMA

b)

NUMA

c)

Von Neumann

d)

Harvard

34.

C: How many unique values can you represent with 4 binary bits? (Mr J)

a)

16

b)

8

c)

32

d)

15

e)

4

35.

C: What is binary 0110 multiplied by binary 0010? (Mr J)

a)

1100

b)

1000

c)

1110

d)

1010

e)

100110

36.

C: The hexadecimal value 'A6E' translates to what binary value? (Mr J)

a)

101001101110

b)

101001101100

c)

110001101010

d)

110001101100

e)

110011101010

37.

F: The BCS flowchart symbol which represents a 'terminator', starting and stopping a program (Mr J)

a)
b)
c)
d)
38.

F: The BCS flowchart symbol which represents a 'process', such as performing a calculation (Mr J)

a)
b)
c)
d)
39.

F: The BCS flowchart symbol which represents an 'input', such as receiving a password from a user (Mr J)

a)
b)
c)
d)
40.

F: The BCS flowchart symbol which represents a 'decision', branching in different paths dependent upon some choice (Mr J)

a)
b)
c)
d)
41.

E: An error correction technique where extra data (such as repeated data and parity bits) are sent with the original transmission, so that the receiving system can rebuild bad data (Mr J)

a)

Forward Error Correction - FEC

b)

Automatic Repeat Request - ARQ

c)

Cyclic Redundancy Checks - CRC

d)

Odd and Even Parity Schemes

e)

Checksum

42.

E: A more complex error detection technique which uses the remainder left from a division calculation involving a checksum value in a data packet (Mr J)

a)

Forward Error Correction - FEC

b)

Automatic Repeat Request - ARQ

c)

Cyclic Redundancy Check - CRC

d)

Odd and Even Parity Schemes

e)

Checksum

43.

E: A type of encryption which uses separate public and private keys to encode and decode messages (Mr J)

a)

Caesar cipher

b)

Vigenere cipher

c)

Asymmetric

d)

Symmetric

44.

E: A type of data transmission which requires a separate wire or cabled connection for each bit (Mr J)

a)

Synchronised

b)

Asynchronous

c)

Parallel

d)

Serial

45.

E: A type of data transmission where the signals do not need the system clock / timing pulses to beat together (Mr J)

a)

Synchronised

b)

Asynchronous

c)

Parallel

d)

Serial

46.

B: The connection used for data transfer between components such as the CPU and main memory (Mr J)

a)

Bus

b)

Register

c)

Cache

d)

Control Unit

47.

B: Technique for using the backing storage as overflow for RAM when it is full up of programs and data, an important part of implementing 'virtual memory' systems (Mr J)

a)

Paging

b)

Interrupts

c)

Pipelining

d)

UMA

e)

NUMA

48.

A: A technique for implementing new computer systems, where the old system is replaced one module at a time (Mr J)

a)

Phased changeover

b)

Parallel changeover

c)

Direct changeover

d)

Pilot changeover

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