Answer:
1. The basic threat is junk mails which contains malicious links. There can also be malicious applications on the web which when downloaded can also cause the download of malware. Zero day threats are also being used by hackers to target an OS for a single day.
2. Anti virus software such as MACFREE
3.Threats such as Computer virus, computer worms, Trojan horse, Phishing, Spyware, Rootkit etc. will targets network.
4. I will increase security by:
a) Installing a firewall
b) Updating all the applications and OS
c) Verifying applications before downloading
d) Boost access control by providing strong passwords
Explanation:
As far as windows 7 and below it was control panel, but in windows 8 and higher, microsoft added, a new app which was called settings, control panel was still there but with a few features removed
Answer:
Punch Card Machine
Explanation:
The punch cards or the punched cards are also termed as the Hollerith cards or we also know them as the IBM cards. And they happen to be the paper cards where holes can be punched with the help of the hands or with the help of the machine for representing the computer instructions or data. And these were used on quite a large scale for inputting the data when we talk of the early computers. And this technology was developed by the Herman Hollerith.
Answer:
B, D, E
Explanation:
B. Apexpages.standardsetcontroller controller=new
apexpages.standardsetcontroller(database.getquerylocator('select id from account'));
D. Apexpages.standardsetcontroller controller = new
apexpages.standardsetcontroller (database.getquerylocator([select id
from account])); and
E. Apexpages.standardsetcontroller controller = new
apexpages.standardsetcontroller (database.query('select id from
account'));
