Computer Science AQA A-Level Paper 2 Practice

Quiz
•
Computers
•
11th - 12th Grade
•
Hard

Samuel Weston
Used 64+ times
FREE Resource
55 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What subcategory of software does a virus checker belong to.
Operating System
Translators
Utilities
Defragmentation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not a resource managed by an operating system?
Processor
Memory
I/O Devices
Allocating Files on Secondary Storage
Provides Virtual Machine
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which layer of the TCP/IP stack determines which application layer software on the server should deal with a received request by using port numbers?
Application
Transport
Network
DataLink
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the case of dictionary compression, a dictionary ...
acts as a reference for a particular subject.
maps sequences of characters onto values.
is an electronic resource that lists words and gives their meaning.
is a set of words or other text strings made for use in applications such as spellcheckers or brute-force attacks.
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
In a DBMS, when a user starts to edit a record, others are prevented from accessing the record for the duration of the editing. What is this called?
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Which form of transmission results in the clocks for the receiver and transmitter synchronising for the duration of a transmission?
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Calculate the decimal equivalent of the normalised floating point representation number with an 8-bit mantissa and a 4-bit exponent, both stored using two’s complement.
1.0110010 0010
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